<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019dd105-9918-7cdb-bebe-a6fa9f56420e,g:fb10e6fb-804a-473c-b8b3-4270a0bcd755-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/DocumentAndEntityInformation" xlink:type="simple" xlink:href="asur-20260331.xsd#DocumentAndEntityInformation"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/DocumentAndEntityInformation" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_019dd105-99d3-7752-8622-0d37a9b34a94" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_DocumentInformationTable_019dd105-99d3-7752-8622-0d37a9b34a94" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019dd105-99d3-7992-bc41-f938d5ef7c10" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable_019dd105-99d3-7752-8622-0d37a9b34a94" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019dd105-99d3-7992-bc41-f938d5ef7c10" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019dd105-99d3-7992-bc41-f938d5ef7c10_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019dd105-99d3-7992-bc41-f938d5ef7c10" xlink:to="loc_us-gaap_ClassOfStockDomain_019dd105-99d3-7992-bc41-f938d5ef7c10_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019dd105-99d3-71e7-9541-c71cad89ec63" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019dd105-99d3-7992-bc41-f938d5ef7c10" xlink:to="loc_us-gaap_ClassOfStockDomain_019dd105-99d3-71e7-9541-c71cad89ec63" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_019dd105-99d3-7786-9ee5-b97c31310b25" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019dd105-99d3-71e7-9541-c71cad89ec63" xlink:to="loc_us-gaap_CommonStockMember_019dd105-99d3-7786-9ee5-b97c31310b25" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesAPreferredStockMember_019dd105-99d3-77a9-9e95-7079b05cc8da" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeriesAPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019dd105-99d3-71e7-9541-c71cad89ec63" xlink:to="loc_us-gaap_SeriesAPreferredStockMember_019dd105-99d3-77a9-9e95-7079b05cc8da" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019dd105-99d3-750b-8f74-451c5d12b07c" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_DocumentType_019dd105-99d3-750b-8f74-451c5d12b07c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentQuarterlyReport_019dd105-99d3-70ec-827c-56c0a544fd3b" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentQuarterlyReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_DocumentQuarterlyReport_019dd105-99d3-70ec-827c-56c0a544fd3b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019dd105-99d3-7ba9-af53-b90b78b7c44d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_DocumentPeriodEndDate_019dd105-99d3-7ba9-af53-b90b78b7c44d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport_019dd105-99d3-70e7-9129-881f2fc187c4" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentTransitionReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_DocumentTransitionReport_019dd105-99d3-70e7-9129-881f2fc187c4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019dd105-99d3-7611-869b-b10e0babb52d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_EntityFileNumber_019dd105-99d3-7611-869b-b10e0babb52d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019dd105-99d3-7063-8b82-bcad3c810e58" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_EntityRegistrantName_019dd105-99d3-7063-8b82-bcad3c810e58" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019dd105-99d3-7e3d-b6d6-587b6e355057" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019dd105-99d3-7e3d-b6d6-587b6e355057" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019dd105-99d3-7040-a6ec-9cf8cdf735d5" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_EntityTaxIdentificationNumber_019dd105-99d3-7040-a6ec-9cf8cdf735d5" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019dd105-99d3-7fa9-a877-b568d65c919f" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_EntityAddressAddressLine1_019dd105-99d3-7fa9-a877-b568d65c919f" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019dd105-99d3-71e1-902f-5cfdfe0bb084" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_EntityAddressCityOrTown_019dd105-99d3-71e1-902f-5cfdfe0bb084" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019dd105-99d3-7420-bc67-07694ebf985c" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_EntityAddressStateOrProvince_019dd105-99d3-7420-bc67-07694ebf985c" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019dd105-99d3-7452-9586-c9895fa2f4e5" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_EntityAddressPostalZipCode_019dd105-99d3-7452-9586-c9895fa2f4e5" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019dd105-99d3-741e-a0e0-494841f886c6" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_CityAreaCode_019dd105-99d3-741e-a0e0-494841f886c6" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019dd105-99d3-79b3-a86c-58ef65e62f1d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_LocalPhoneNumber_019dd105-99d3-79b3-a86c-58ef65e62f1d" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019dd105-99d3-7191-80fe-f0f8bc08775e" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_Security12bTitle_019dd105-99d3-7191-80fe-f0f8bc08775e" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019dd105-99d3-7f11-8b65-a8e49ef2f7ed" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_TradingSymbol_019dd105-99d3-7f11-8b65-a8e49ef2f7ed" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_NoTradingSymbolFlag_019dd105-99d3-7622-b850-b6d0a5686184" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_NoTradingSymbolFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_NoTradingSymbolFlag_019dd105-99d3-7622-b850-b6d0a5686184" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019dd105-99d3-7b0d-abcf-2792dabcbe28" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_SecurityExchangeName_019dd105-99d3-7b0d-abcf-2792dabcbe28" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus_019dd105-99d3-70f6-8fc1-1ee7ac3300ae" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCurrentReportingStatus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_EntityCurrentReportingStatus_019dd105-99d3-70f6-8fc1-1ee7ac3300ae" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent_019dd105-99d3-7468-bd40-2e8ee266c49d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_EntityInteractiveDataCurrent_019dd105-99d3-7468-bd40-2e8ee266c49d" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_019dd105-99d3-7b01-912c-02493ac9bd1a" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityFilerCategory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_EntityFilerCategory_019dd105-99d3-7b01-912c-02493ac9bd1a" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness_019dd105-99d3-7333-9c30-a68435a17a14" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntitySmallBusiness"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_EntitySmallBusiness_019dd105-99d3-7333-9c30-a68435a17a14" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019dd105-99d3-79f2-9b26-c4c2acffe386" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_EntityEmergingGrowthCompany_019dd105-99d3-79f2-9b26-c4c2acffe386" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany_019dd105-99d3-72b4-9331-3f882c6404eb" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityShellCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_EntityShellCompany_019dd105-99d3-72b4-9331-3f882c6404eb" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_019dd105-99d3-7786-84a5-36dc4cf3126b" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_019dd105-99d3-7786-84a5-36dc4cf3126b" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_019dd105-99d3-71c6-a2ed-7aca46342793" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_CurrentFiscalYearEndDate_019dd105-99d3-71c6-a2ed-7aca46342793" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019dd105-99d3-7ddf-b783-bb7275d66631" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_AmendmentFlag_019dd105-99d3-7ddf-b783-bb7275d66631" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019dd105-99d3-7130-8315-3f676e76ef14" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_EntityCentralIndexKey_019dd105-99d3-7130-8315-3f676e76ef14" xlink:type="arc" order="27"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_019dd105-99d3-7d86-9f48-681459bd27f2" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentFiscalYearFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_DocumentFiscalYearFocus_019dd105-99d3-7d86-9f48-681459bd27f2" xlink:type="arc" order="28"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_019dd105-99d3-7c63-9ebd-545feee4ffa0" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019dd105-99d3-7719-bb3b-e3460ce6a2e9" xlink:to="loc_dei_DocumentFiscalPeriodFocus_019dd105-99d3-7c63-9ebd-545feee4ffa0" xlink:type="arc" order="29"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSS" xlink:type="simple" xlink:href="asur-20260331.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSS"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019dd105-99d3-7525-88a6-cf51b35ee6b9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019dd105-99d3-7c6e-8e95-aeecfe15588f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7525-88a6-cf51b35ee6b9" xlink:to="loc_us-gaap_StatementTable_019dd105-99d3-7c6e-8e95-aeecfe15588f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019dd105-99d3-7bd6-9d50-707080f11337" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019dd105-99d3-7c6e-8e95-aeecfe15588f" xlink:to="loc_srt_ProductOrServiceAxis_019dd105-99d3-7bd6-9d50-707080f11337" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019dd105-99d3-7bd6-9d50-707080f11337_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_019dd105-99d3-7bd6-9d50-707080f11337" xlink:to="loc_srt_ProductsAndServicesDomain_019dd105-99d3-7bd6-9d50-707080f11337_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019dd105-99d3-7e22-92cd-437ead6d68bc" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_019dd105-99d3-7bd6-9d50-707080f11337" xlink:to="loc_srt_ProductsAndServicesDomain_019dd105-99d3-7e22-92cd-437ead6d68bc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_RecurringMember_019dd105-99d3-720b-b0fd-5cc990f37151" xlink:href="asur-20260331.xsd#asur_RecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019dd105-99d3-7e22-92cd-437ead6d68bc" xlink:to="loc_asur_RecurringMember_019dd105-99d3-720b-b0fd-5cc990f37151" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_ProfessionalServicesRevenueMember_019dd105-99d3-74c2-9cf8-9940e38860c9" xlink:href="asur-20260331.xsd#asur_ProfessionalServicesRevenueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019dd105-99d3-7e22-92cd-437ead6d68bc" xlink:to="loc_asur_ProfessionalServicesRevenueMember_019dd105-99d3-74c2-9cf8-9940e38860c9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesAbstract_019dd105-99d3-7673-ade4-f4fa7d8c2bc4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenuesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7525-88a6-cf51b35ee6b9" xlink:to="loc_us-gaap_RevenuesAbstract_019dd105-99d3-7673-ade4-f4fa7d8c2bc4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019dd105-99d3-7ea4-9351-eec0d0610a3b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_019dd105-99d3-7673-ade4-f4fa7d8c2bc4" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019dd105-99d3-7ea4-9351-eec0d0610a3b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019dd105-99d3-70a1-ad8b-2f3a36fb5744" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7525-88a6-cf51b35ee6b9" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019dd105-99d3-70a1-ad8b-2f3a36fb5744" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_019dd105-99d3-70ba-b482-48052cda280c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GrossProfit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7525-88a6-cf51b35ee6b9" xlink:to="loc_us-gaap_GrossProfit_019dd105-99d3-70ba-b482-48052cda280c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpensesAbstract_019dd105-99d3-79f4-be54-23fdb60fe9ea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingExpensesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7525-88a6-cf51b35ee6b9" xlink:to="loc_us-gaap_OperatingExpensesAbstract_019dd105-99d3-79f4-be54-23fdb60fe9ea" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_019dd105-99d3-71e3-8f5d-e1d13cca415b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SellingAndMarketingExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019dd105-99d3-79f4-be54-23fdb60fe9ea" xlink:to="loc_us-gaap_SellingAndMarketingExpense_019dd105-99d3-71e3-8f5d-e1d13cca415b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_019dd105-99d3-7cf8-ba59-15f941e13c73" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019dd105-99d3-79f4-be54-23fdb60fe9ea" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_019dd105-99d3-7cf8-ba59-15f941e13c73" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_019dd105-99d3-77d4-9570-a73496e1e0c4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019dd105-99d3-79f4-be54-23fdb60fe9ea" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_019dd105-99d3-77d4-9570-a73496e1e0c4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_019dd105-99d3-7d0d-a603-a1eebc0e9437" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019dd105-99d3-79f4-be54-23fdb60fe9ea" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_019dd105-99d3-7d0d-a603-a1eebc0e9437" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_019dd105-99d3-78c8-825c-96f4adfef21b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019dd105-99d3-79f4-be54-23fdb60fe9ea" xlink:to="loc_us-gaap_OperatingExpenses_019dd105-99d3-78c8-825c-96f4adfef21b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019dd105-99d3-7a41-be76-18a06884790d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7525-88a6-cf51b35ee6b9" xlink:to="loc_us-gaap_OperatingIncomeLoss_019dd105-99d3-7a41-be76-18a06884790d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeNonoperating_019dd105-99d3-73a3-93b4-6d655e69938e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIncomeNonoperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7525-88a6-cf51b35ee6b9" xlink:to="loc_us-gaap_InvestmentIncomeNonoperating_019dd105-99d3-73a3-93b4-6d655e69938e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_019dd105-99d3-7a8d-a4a4-70cb8bac02a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7525-88a6-cf51b35ee6b9" xlink:to="loc_us-gaap_InterestExpenseNonoperating_019dd105-99d3-7a8d-a4a4-70cb8bac02a5" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_019dd105-99d3-7f34-8e98-f252007253b6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7525-88a6-cf51b35ee6b9" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_019dd105-99d3-7f34-8e98-f252007253b6" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019dd105-99d3-72a4-b8d3-8a6c6a09a1a9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7525-88a6-cf51b35ee6b9" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019dd105-99d3-72a4-b8d3-8a6c6a09a1a9" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019dd105-99d3-790a-be01-a15196a01306" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7525-88a6-cf51b35ee6b9" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019dd105-99d3-790a-be01-a15196a01306" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019dd105-99d3-7fd8-a89b-ca0701a5e584" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7525-88a6-cf51b35ee6b9" xlink:to="loc_us-gaap_NetIncomeLoss_019dd105-99d3-7fd8-a89b-ca0701a5e584" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_019dd105-99d3-70f3-87fd-b73338a05adb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7525-88a6-cf51b35ee6b9" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_019dd105-99d3-70f3-87fd-b73338a05adb" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_019dd105-99d3-7ef1-84f1-4143ec7a9891" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_019dd105-99d3-70f3-87fd-b73338a05adb" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_019dd105-99d3-7ef1-84f1-4143ec7a9891" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_019dd105-99d3-7d86-931c-a01a46ee40ec" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_019dd105-99d3-70f3-87fd-b73338a05adb" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_019dd105-99d3-7d86-931c-a01a46ee40ec" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_019dd105-99d3-770b-a337-0a654f324108" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7525-88a6-cf51b35ee6b9" xlink:to="loc_us-gaap_EarningsPerShareAbstract_019dd105-99d3-770b-a337-0a654f324108" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_019dd105-99d3-7057-9b69-f63f55e7b91a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareAbstract_019dd105-99d3-770b-a337-0a654f324108" xlink:to="loc_us-gaap_EarningsPerShareBasic_019dd105-99d3-7057-9b69-f63f55e7b91a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_019dd105-99d3-7281-b953-9f59367706f5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareAbstract_019dd105-99d3-770b-a337-0a654f324108" xlink:to="loc_us-gaap_EarningsPerShareDiluted_019dd105-99d3-7281-b953-9f59367706f5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_WeightedAverageBasicAndDilutedSharesAbstract_019dd105-99d3-78bd-8728-80dd8fe2bb20" xlink:href="asur-20260331.xsd#asur_WeightedAverageBasicAndDilutedSharesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7525-88a6-cf51b35ee6b9" xlink:to="loc_asur_WeightedAverageBasicAndDilutedSharesAbstract_019dd105-99d3-78bd-8728-80dd8fe2bb20" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019dd105-99d3-70be-97d3-da42785be64e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_WeightedAverageBasicAndDilutedSharesAbstract_019dd105-99d3-78bd-8728-80dd8fe2bb20" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019dd105-99d3-70be-97d3-da42785be64e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019dd105-99d3-7e94-a54b-ee7d391544dc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_WeightedAverageBasicAndDilutedSharesAbstract_019dd105-99d3-78bd-8728-80dd8fe2bb20" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019dd105-99d3-7e94-a54b-ee7d391544dc" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINSTOCKHOLDERSEQUITY" xlink:type="simple" xlink:href="asur-20260331.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINSTOCKHOLDERSEQUITY"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINSTOCKHOLDERSEQUITY" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019dd105-99d3-7fae-97d8-7eab42c0ddbf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019dd105-99d3-7565-a89a-e0c61d7774d5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7fae-97d8-7eab42c0ddbf" xlink:to="loc_us-gaap_StatementTable_019dd105-99d3-7565-a89a-e0c61d7774d5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019dd105-99d3-7802-a0ed-fd1a1e440595" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019dd105-99d3-7565-a89a-e0c61d7774d5" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019dd105-99d3-7802-a0ed-fd1a1e440595" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019dd105-99d3-7802-a0ed-fd1a1e440595_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019dd105-99d3-7802-a0ed-fd1a1e440595" xlink:to="loc_us-gaap_EquityComponentDomain_019dd105-99d3-7802-a0ed-fd1a1e440595_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019dd105-99d3-7a93-b475-aa32e27b3417" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019dd105-99d3-7802-a0ed-fd1a1e440595" xlink:to="loc_us-gaap_EquityComponentDomain_019dd105-99d3-7a93-b475-aa32e27b3417" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_019dd105-99d3-7ee0-9842-a706a12c3768" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019dd105-99d3-7a93-b475-aa32e27b3417" xlink:to="loc_us-gaap_CommonStockMember_019dd105-99d3-7ee0-9842-a706a12c3768" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonMember_019dd105-99d3-75c8-a130-7e5cbf9f32ea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockCommonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019dd105-99d3-7a93-b475-aa32e27b3417" xlink:to="loc_us-gaap_TreasuryStockCommonMember_019dd105-99d3-75c8-a130-7e5cbf9f32ea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_019dd105-99d3-7ea6-bcd6-53b10030a675" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019dd105-99d3-7a93-b475-aa32e27b3417" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_019dd105-99d3-7ea6-bcd6-53b10030a675" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_019dd105-99d3-71f1-b804-1fc99e8fc59f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019dd105-99d3-7a93-b475-aa32e27b3417" xlink:to="loc_us-gaap_RetainedEarningsMember_019dd105-99d3-71f1-b804-1fc99e8fc59f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019dd105-99d3-7c1c-b10e-18b86e8a14cd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019dd105-99d3-7a93-b475-aa32e27b3417" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019dd105-99d3-7c1c-b10e-18b86e8a14cd" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesOutstanding_019dd105-99d3-754f-a8c0-9e5ac78d9b84" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7fae-97d8-7eab42c0ddbf" xlink:to="loc_us-gaap_SharesOutstanding_019dd105-99d3-754f-a8c0-9e5ac78d9b84" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019dd105-99d3-79bf-9d31-59a683f0f3f1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7fae-97d8-7eab42c0ddbf" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019dd105-99d3-79bf-9d31-59a683f0f3f1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_019dd105-99d3-7db9-a4cc-ed63ce26604d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7fae-97d8-7eab42c0ddbf" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_019dd105-99d3-7db9-a4cc-ed63ce26604d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_019dd4ed-b9f1-7bd9-90e8-494052712da7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7fae-97d8-7eab42c0ddbf" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_019dd4ed-b9f1-7bd9-90e8-494052712da7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_019dd4ec-d524-75a4-98ff-c4004537559f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7fae-97d8-7eab42c0ddbf" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_019dd4ec-d524-75a4-98ff-c4004537559f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_019dd105-99d3-72b8-b1cd-55a486532a5d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7fae-97d8-7eab42c0ddbf" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_019dd105-99d3-72b8-b1cd-55a486532a5d" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueAcquisitions_019dd105-99d3-7285-a2e7-b5209d4a4f3e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodValueAcquisitions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7fae-97d8-7eab42c0ddbf" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueAcquisitions_019dd105-99d3-7285-a2e7-b5209d4a4f3e" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_019dd105-99d3-7aa6-a819-cc166334dcb6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7fae-97d8-7eab42c0ddbf" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_019dd105-99d3-7aa6-a819-cc166334dcb6" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019dd105-99d3-7bee-8344-d693c35b6625" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7fae-97d8-7eab42c0ddbf" xlink:to="loc_us-gaap_NetIncomeLoss_019dd105-99d3-7bee-8344-d693c35b6625" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019dd105-99d3-73b5-a382-a98da868d5c2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019dd105-99d3-7fae-97d8-7eab42c0ddbf" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019dd105-99d3-73b5-a382-a98da868d5c2" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesOutstanding_019dd105-99d3-7673-be6f-208446c58b69" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019dd105-99d3-7bc5-969e-3928b37bed1c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/BUSINESSCOMBINATIONSANDASSETACQUISITIONSAssetAcquisitionsDetails" xlink:type="simple" xlink:href="asur-20260331.xsd#BUSINESSCOMBINATIONSANDASSETACQUISITIONSAssetAcquisitionsDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/BUSINESSCOMBINATIONSANDASSETACQUISITIONSAssetAcquisitionsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionLineItems_019dd105-99d3-7d46-8ea4-ca9176f54a78" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionTable_019dd105-99d3-7cf3-8194-06276955c331" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_019dd105-99d3-7d46-8ea4-ca9176f54a78" xlink:to="loc_us-gaap_AssetAcquisitionTable_019dd105-99d3-7cf3-8194-06276955c331" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_019dd105-99d3-727b-9b3a-ed081651e21f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_019dd105-99d3-7cf3-8194-06276955c331" xlink:to="loc_us-gaap_AssetAcquisitionAxis_019dd105-99d3-727b-9b3a-ed081651e21f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_019dd105-99d3-727b-9b3a-ed081651e21f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_019dd105-99d3-727b-9b3a-ed081651e21f" xlink:to="loc_us-gaap_AssetAcquisitionDomain_019dd105-99d3-727b-9b3a-ed081651e21f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_019dd105-99d3-7fea-a0fb-8484004574f2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_019dd105-99d3-727b-9b3a-ed081651e21f" xlink:to="loc_us-gaap_AssetAcquisitionDomain_019dd105-99d3-7fea-a0fb-8484004574f2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_A2025AcquisitionsMember_019dd105-99d3-7577-9a36-5e728a29d5b4" xlink:href="asur-20260331.xsd#asur_A2025AcquisitionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_019dd105-99d3-7fea-a0fb-8484004574f2" xlink:to="loc_asur_A2025AcquisitionsMember_019dd105-99d3-7577-9a36-5e728a29d5b4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_A2024AcquisitionsMember_019dd105-99d3-7b4e-88bd-7320022ee218" xlink:href="asur-20260331.xsd#asur_A2024AcquisitionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_019dd105-99d3-7fea-a0fb-8484004574f2" xlink:to="loc_asur_A2024AcquisitionsMember_019dd105-99d3-7b4e-88bd-7320022ee218" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019dd105-99d3-7c92-8cb0-675b598ae591" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_019dd105-99d3-7cf3-8194-06276955c331" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019dd105-99d3-7c92-8cb0-675b598ae591" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019dd105-99d3-7c92-8cb0-675b598ae591_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019dd105-99d3-7c92-8cb0-675b598ae591" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019dd105-99d3-7c92-8cb0-675b598ae591_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019dd105-99d3-76f5-a0d5-b23190e03c75" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019dd105-99d3-7c92-8cb0-675b598ae591" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019dd105-99d3-76f5-a0d5-b23190e03c75" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_019dd105-99d3-79b9-b8fd-17daccdef23e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019dd105-99d3-76f5-a0d5-b23190e03c75" xlink:to="loc_us-gaap_CustomerRelationshipsMember_019dd105-99d3-79b9-b8fd-17daccdef23e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_019dd105-99d3-71b9-9cb3-3795da5b3901" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DevelopedTechnologyRightsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019dd105-99d3-76f5-a0d5-b23190e03c75" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_019dd105-99d3-71b9-9cb3-3795da5b3901" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019dd105-99d3-7069-b2bc-f5c93db2a24f" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_019dd105-99d3-7cf3-8194-06276955c331" xlink:to="loc_srt_RangeAxis_019dd105-99d3-7069-b2bc-f5c93db2a24f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019dd105-99d3-7069-b2bc-f5c93db2a24f_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019dd105-99d3-7069-b2bc-f5c93db2a24f" xlink:to="loc_srt_RangeMember_019dd105-99d3-7069-b2bc-f5c93db2a24f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019dd105-99d3-79ca-8887-f8392253ff0c" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019dd105-99d3-7069-b2bc-f5c93db2a24f" xlink:to="loc_srt_RangeMember_019dd105-99d3-79ca-8887-f8392253ff0c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019dd105-99d3-7d20-ad32-5b60cd4e8f3f" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019dd105-99d3-79ca-8887-f8392253ff0c" xlink:to="loc_srt_MinimumMember_019dd105-99d3-7d20-ad32-5b60cd4e8f3f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019dd105-99d3-74be-afe5-250bb6c38b63" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019dd105-99d3-79ca-8887-f8392253ff0c" xlink:to="loc_srt_MaximumMember_019dd105-99d3-74be-afe5-250bb6c38b63" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferred_019dd105-99d3-72fb-8cad-90a916669f5d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionConsiderationTransferred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_019dd105-99d3-7d46-8ea4-ca9176f54a78" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferred_019dd105-99d3-72fb-8cad-90a916669f5d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_019dd105-99d3-7033-820d-9a3eb275bb00" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireProductiveAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_019dd105-99d3-7d46-8ea4-ca9176f54a78" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_019dd105-99d3-7033-820d-9a3eb275bb00" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable_019dd105-99d3-7130-8c7f-0e133f91219c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_019dd105-99d3-7d46-8ea4-ca9176f54a78" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable_019dd105-99d3-7130-8c7f-0e133f91219c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_019dd105-99d3-7134-b0b2-2942e1164d36" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_019dd105-99d3-7d46-8ea4-ca9176f54a78" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_019dd105-99d3-7134-b0b2-2942e1164d36" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_019dd105-99d3-70b9-8ee5-912a832342b4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_019dd105-99d3-7d46-8ea4-ca9176f54a78" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_019dd105-99d3-70b9-8ee5-912a832342b4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_019dd105-99d3-7b85-bfd2-3be4ab960420" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_AssetAcquisitionNumberOfAcquisitions_019dd105-99d3-7722-abf1-237ab042ec70" xlink:href="asur-20260331.xsd#asur_AssetAcquisitionNumberOfAcquisitions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_019dd105-99d3-7d46-8ea4-ca9176f54a78" xlink:to="loc_asur_AssetAcquisitionNumberOfAcquisitions_019dd105-99d3-7722-abf1-237ab042ec70" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_FuturePaymentsToAcquireProductiveAssetsShortTerm_019dd105-99d3-752f-8bd1-5d1d6d23c5b0" xlink:href="asur-20260331.xsd#asur_FuturePaymentsToAcquireProductiveAssetsShortTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_019dd105-99d3-7d46-8ea4-ca9176f54a78" xlink:to="loc_asur_FuturePaymentsToAcquireProductiveAssetsShortTerm_019dd105-99d3-752f-8bd1-5d1d6d23c5b0" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_AssetAcquisitionConsiderationTransferredLiabilitiesIncurred_019dd105-99d3-79b3-b595-ef496e5b6b16" xlink:href="asur-20260331.xsd#asur_AssetAcquisitionConsiderationTransferredLiabilitiesIncurred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_019dd105-99d3-7d46-8ea4-ca9176f54a78" xlink:to="loc_asur_AssetAcquisitionConsiderationTransferredLiabilitiesIncurred_019dd105-99d3-79b3-b595-ef496e5b6b16" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/BUSINESSCOMBINATIONSANDASSETACQUISITIONSBusinessCombinationsDetails" xlink:type="simple" xlink:href="asur-20260331.xsd#BUSINESSCOMBINATIONSANDASSETACQUISITIONSBusinessCombinationsDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/BUSINESSCOMBINATIONSANDASSETACQUISITIONSBusinessCombinationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_019dd179-a1e8-7ca7-8dc4-0332b50f539d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019dd179-a1e8-7fb9-bbd3-30d96fb8958a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019dd179-a1e8-7ca7-8dc4-0332b50f539d" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019dd179-a1e8-7fb9-bbd3-30d96fb8958a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_019dd179-a1e8-7553-9d9e-0e78427c4e07" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019dd179-a1e8-7fb9-bbd3-30d96fb8958a" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_019dd179-a1e8-7553-9d9e-0e78427c4e07" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019dd179-a1e8-7553-9d9e-0e78427c4e07_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_019dd179-a1e8-7553-9d9e-0e78427c4e07" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019dd179-a1e8-7553-9d9e-0e78427c4e07_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019dd179-a1e8-73de-b5ca-91076dd48e1d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_019dd179-a1e8-7553-9d9e-0e78427c4e07" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019dd179-a1e8-73de-b5ca-91076dd48e1d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_LathemTimeMember_019dd179-a1e8-7dec-9577-6a818e50aa71" xlink:href="asur-20260331.xsd#asur_LathemTimeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019dd179-a1e8-73de-b5ca-91076dd48e1d" xlink:to="loc_asur_LathemTimeMember_019dd179-a1e8-7dec-9577-6a818e50aa71" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_019dd179-a1e8-7a7b-86c8-952860783fd7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019dd179-a1e8-7ca7-8dc4-0332b50f539d" xlink:to="loc_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_019dd179-a1e8-7a7b-86c8-952860783fd7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_019dd179-a1e8-7b75-9053-33c9ccde3e68" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationConsiderationTransferred1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019dd179-a1e8-7ca7-8dc4-0332b50f539d" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferred1_019dd179-a1e8-7b75-9053-33c9ccde3e68" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_019dd179-a1e8-7623-9982-6411db8e28f5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireBusinessesGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019dd179-a1e8-7ca7-8dc4-0332b50f539d" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_019dd179-a1e8-7623-9982-6411db8e28f5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_019dd179-a1e8-785b-b5e6-2b5fb1a5603b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019dd179-a1e8-7ca7-8dc4-0332b50f539d" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_019dd179-a1e8-785b-b5e6-2b5fb1a5603b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_019dd179-a1e8-78c8-b642-8fa0fe3f805a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019dd179-a1e8-7ca7-8dc4-0332b50f539d" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_019dd179-a1e8-78c8-b642-8fa0fe3f805a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_019dd179-a1e8-7add-a045-ef5e6fa732cd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019dd179-a1e8-7ca7-8dc4-0332b50f539d" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_019dd179-a1e8-7add-a045-ef5e6fa732cd" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_019dd179-a1e8-78c3-9605-890fdca5100b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019dd179-a1e8-7ca7-8dc4-0332b50f539d" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_019dd179-a1e8-78c3-9605-890fdca5100b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_019dd179-a1e8-750b-9d16-a185de1eb6d7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019dd179-a1e8-7ca7-8dc4-0332b50f539d" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets_019dd179-a1e8-750b-9d16-a185de1eb6d7" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_019dd179-a1e8-7bdb-9781-1f90c9b7841e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019dd179-a1e8-7ca7-8dc4-0332b50f539d" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_019dd179-a1e8-7bdb-9781-1f90c9b7841e" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_019dd179-a1e8-73ba-a970-1eba0290bcae" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019dd179-a1e8-7ca7-8dc4-0332b50f539d" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_019dd179-a1e8-73ba-a970-1eba0290bcae" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_BusinessCombinationRecognizedAssetAcquiredOperatingLeaseAssets_019dd179-a1e8-79ba-8ea5-ae20c0a69711" xlink:href="asur-20260331.xsd#asur_BusinessCombinationRecognizedAssetAcquiredOperatingLeaseAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019dd179-a1e8-7ca7-8dc4-0332b50f539d" xlink:to="loc_asur_BusinessCombinationRecognizedAssetAcquiredOperatingLeaseAssets_019dd179-a1e8-79ba-8ea5-ae20c0a69711" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_019dd179-a1e8-7a96-ad0a-eaaa292403d6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019dd179-a1e8-7ca7-8dc4-0332b50f539d" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_019dd179-a1e8-7a96-ad0a-eaaa292403d6" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_019dd179-a1e8-71a5-b0c7-9e647c0cb12f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019dd179-a1e8-7ca7-8dc4-0332b50f539d" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_019dd179-a1e8-71a5-b0c7-9e647c0cb12f" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_019dd179-a1e8-79f6-aa58-7b9775c468c1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019dd179-a1e8-7ca7-8dc4-0332b50f539d" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_019dd179-a1e8-79f6-aa58-7b9775c468c1" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation_019dd179-a1e8-7534-ba0c-524d56aae7c5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019dd179-a1e8-7ca7-8dc4-0332b50f539d" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation_019dd179-a1e8-7534-ba0c-524d56aae7c5" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_019dd179-a1e8-7a07-9fea-ce11b8908fbf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019dd179-a1e8-7ca7-8dc4-0332b50f539d" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_019dd179-a1e8-7a07-9fea-ce11b8908fbf" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue_019dd179-a1e8-77b6-9160-2dfdec910416" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019dd179-a1e8-7ca7-8dc4-0332b50f539d" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue_019dd179-a1e8-77b6-9160-2dfdec910416" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_019dd179-a1e8-7246-a3c7-94f2a637b3ab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019dd179-a1e8-7ca7-8dc4-0332b50f539d" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_019dd179-a1e8-7246-a3c7-94f2a637b3ab" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_019dd179-a1e8-7c9d-b096-8ecb419c9535" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019dd179-a1e8-7ca7-8dc4-0332b50f539d" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_019dd179-a1e8-7c9d-b096-8ecb419c9535" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019dd179-a1e8-7b6f-8e2f-7436f824eec8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019dd179-a1e8-7ca7-8dc4-0332b50f539d" xlink:to="loc_us-gaap_Goodwill_019dd179-a1e8-7b6f-8e2f-7436f824eec8" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_019dd179-a1e8-738f-8354-699c3d2c85fc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019dd179-a1e8-7ca7-8dc4-0332b50f539d" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_019dd179-a1e8-738f-8354-699c3d2c85fc" xlink:type="arc" order="20"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/INVESTMENTSANDFAIRVALUEMEASUREMENTSScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisDetails" xlink:type="simple" xlink:href="asur-20260331.xsd#INVESTMENTSANDFAIRVALUEMEASUREMENTSScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/INVESTMENTSANDFAIRVALUEMEASUREMENTSScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_asur_INVESTMENTSANDFAIRVALUEMEASUREMENTSDetailsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisLineItems_019dd105-99d3-72eb-9926-1cff950f49af" xlink:href="asur-20260331.xsd#asur_INVESTMENTSANDFAIRVALUEMEASUREMENTSDetailsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_INVESTMENTSANDFAIRVALUEMEASUREMENTSDetailsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisTable_019dd105-99d3-78f7-9e9e-27d0c3c48f4d" xlink:href="asur-20260331.xsd#asur_INVESTMENTSANDFAIRVALUEMEASUREMENTSDetailsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_asur_INVESTMENTSANDFAIRVALUEMEASUREMENTSDetailsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisLineItems_019dd105-99d3-72eb-9926-1cff950f49af" xlink:to="loc_asur_INVESTMENTSANDFAIRVALUEMEASUREMENTSDetailsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisTable_019dd105-99d3-78f7-9e9e-27d0c3c48f4d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_019dd105-99d3-7812-9961-58761cdb9dc3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_INVESTMENTSANDFAIRVALUEMEASUREMENTSDetailsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisTable_019dd105-99d3-78f7-9e9e-27d0c3c48f4d" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_019dd105-99d3-7812-9961-58761cdb9dc3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_019dd105-99d3-7812-9961-58761cdb9dc3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_019dd105-99d3-7812-9961-58761cdb9dc3" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_019dd105-99d3-7812-9961-58761cdb9dc3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_019dd105-99d3-74d9-a028-56934655eb71" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_019dd105-99d3-7812-9961-58761cdb9dc3" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_019dd105-99d3-74d9-a028-56934655eb71" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_019dd105-99d3-759d-81b1-65590e086219" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_019dd105-99d3-74d9-a028-56934655eb71" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_019dd105-99d3-759d-81b1-65590e086219" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019dd105-99d3-72f7-8282-826f9c4705ed" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_INVESTMENTSANDFAIRVALUEMEASUREMENTSDetailsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisTable_019dd105-99d3-78f7-9e9e-27d0c3c48f4d" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019dd105-99d3-72f7-8282-826f9c4705ed" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019dd105-99d3-72f7-8282-826f9c4705ed_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019dd105-99d3-72f7-8282-826f9c4705ed" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019dd105-99d3-72f7-8282-826f9c4705ed_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019dd105-99d3-73d4-9202-0ff18686f370" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019dd105-99d3-72f7-8282-826f9c4705ed" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019dd105-99d3-73d4-9202-0ff18686f370" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_019dd105-99d3-7b88-8111-b4fbb555d24e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019dd105-99d3-73d4-9202-0ff18686f370" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_019dd105-99d3-7b88-8111-b4fbb555d24e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_019dd105-99d3-73ad-a988-364efda00d59" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019dd105-99d3-73d4-9202-0ff18686f370" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_019dd105-99d3-73ad-a988-364efda00d59" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_019dd105-99d3-7841-a2d9-7fe3bcdbb1c7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019dd105-99d3-73d4-9202-0ff18686f370" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_019dd105-99d3-7841-a2d9-7fe3bcdbb1c7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_019dd105-99d3-7f8a-a1e5-35df7231414f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_INVESTMENTSANDFAIRVALUEMEASUREMENTSDetailsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisTable_019dd105-99d3-78f7-9e9e-27d0c3c48f4d" xlink:to="loc_us-gaap_FinancialInstrumentAxis_019dd105-99d3-7f8a-a1e5-35df7231414f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019dd105-99d3-7f8a-a1e5-35df7231414f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_019dd105-99d3-7f8a-a1e5-35df7231414f" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019dd105-99d3-7f8a-a1e5-35df7231414f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019dd105-99d3-7257-bcaa-c96f6f71bbd4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_019dd105-99d3-7f8a-a1e5-35df7231414f" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019dd105-99d3-7257-bcaa-c96f6f71bbd4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MoneyMarketFundsMember_019dd105-99d3-7d3a-ae33-df895dfa07d8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MoneyMarketFundsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019dd105-99d3-7257-bcaa-c96f6f71bbd4" xlink:to="loc_us-gaap_MoneyMarketFundsMember_019dd105-99d3-7d3a-ae33-df895dfa07d8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableforsaleSecuritiesMember_019dd105-99d3-7964-80b7-3f0bc32e16dd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableforsaleSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019dd105-99d3-7257-bcaa-c96f6f71bbd4" xlink:to="loc_us-gaap_AvailableforsaleSecuritiesMember_019dd105-99d3-7964-80b7-3f0bc32e16dd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_019dd105-99d3-7091-b008-c1079ece2e56" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_INVESTMENTSANDFAIRVALUEMEASUREMENTSDetailsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisLineItems_019dd105-99d3-72eb-9926-1cff950f49af" xlink:to="loc_us-gaap_AssetsAbstract_019dd105-99d3-7091-b008-c1079ece2e56" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_FundsHeldForClientsAbstract_019dd105-99d3-701b-8f6c-f1253d9f9c16" xlink:href="asur-20260331.xsd#asur_FundsHeldForClientsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019dd105-99d3-7091-b008-c1079ece2e56" xlink:to="loc_asur_FundsHeldForClientsAbstract_019dd105-99d3-701b-8f6c-f1253d9f9c16" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_019dd105-99d3-7f44-9c4a-e3e5989a68bd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_FundsHeldForClientsAbstract_019dd105-99d3-701b-8f6c-f1253d9f9c16" xlink:to="loc_us-gaap_InvestmentsFairValueDisclosure_019dd105-99d3-7f44-9c4a-e3e5989a68bd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_019dd105-99d3-771c-a31c-565d5b91ad3a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019dd105-99d3-7091-b008-c1079ece2e56" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_019dd105-99d3-771c-a31c-565d5b91ad3a" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/INVESTMENTSANDFAIRVALUEMEASUREMENTSDebtSecuritiesAvailableforsaleDetails" xlink:type="simple" xlink:href="asur-20260331.xsd#INVESTMENTSANDFAIRVALUEMEASUREMENTSDebtSecuritiesAvailableforsaleDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/INVESTMENTSANDFAIRVALUEMEASUREMENTSDebtSecuritiesAvailableforsaleDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_019dd105-99d3-7406-a3b2-6bbc7d5fb1dc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_019dd105-99d3-7845-866b-b249de73e323" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_019dd105-99d3-7406-a3b2-6bbc7d5fb1dc" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_019dd105-99d3-7845-866b-b249de73e323" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_019dd105-99d3-74f4-82bc-5710c66b25d3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_019dd105-99d3-7845-866b-b249de73e323" xlink:to="loc_us-gaap_FinancialInstrumentAxis_019dd105-99d3-74f4-82bc-5710c66b25d3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019dd105-99d3-74f4-82bc-5710c66b25d3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_019dd105-99d3-74f4-82bc-5710c66b25d3" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019dd105-99d3-74f4-82bc-5710c66b25d3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019dd105-99d3-7bd4-a05d-5705f1ab5dac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_019dd105-99d3-74f4-82bc-5710c66b25d3" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019dd105-99d3-7bd4-a05d-5705f1ab5dac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_019dd105-99d3-7b8c-aa9d-ecd5443e7f14" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CorporateDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019dd105-99d3-7bd4-a05d-5705f1ab5dac" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_019dd105-99d3-7b8c-aa9d-ecd5443e7f14" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MunicipalBondsMember_019dd105-99d3-7271-8995-ad6d9781caed" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MunicipalBondsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019dd105-99d3-7bd4-a05d-5705f1ab5dac" xlink:to="loc_us-gaap_MunicipalBondsMember_019dd105-99d3-7271-8995-ad6d9781caed" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_019dd105-99d3-7473-83c6-db2e1a7323e2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_USGovernmentAgenciesDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019dd105-99d3-7bd4-a05d-5705f1ab5dac" xlink:to="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_019dd105-99d3-7473-83c6-db2e1a7323e2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableforsaleSecuritiesMember_019dd105-99d3-7ba1-b619-349e434ab9a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableforsaleSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019dd105-99d3-7bd4-a05d-5705f1ab5dac" xlink:to="loc_us-gaap_AvailableforsaleSecuritiesMember_019dd105-99d3-7ba1-b619-349e434ab9a5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeAxis_019dd105-99d3-7066-84bb-295e8b662912" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_019dd105-99d3-7845-866b-b249de73e323" xlink:to="loc_us-gaap_InvestmentTypeAxis_019dd105-99d3-7066-84bb-295e8b662912" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_019dd105-99d3-7066-84bb-295e8b662912_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_InvestmentTypeAxis_019dd105-99d3-7066-84bb-295e8b662912" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_019dd105-99d3-7066-84bb-295e8b662912_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_019dd105-99d3-7d25-aba3-4bbe2effaed3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_InvestmentTypeAxis_019dd105-99d3-7066-84bb-295e8b662912" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_019dd105-99d3-7d25-aba3-4bbe2effaed3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_IndividuallyMember_019dd105-99d3-7941-b56c-53cd394992c5" xlink:href="asur-20260331.xsd#asur_IndividuallyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019dd105-99d3-7d25-aba3-4bbe2effaed3" xlink:to="loc_asur_IndividuallyMember_019dd105-99d3-7941-b56c-53cd394992c5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_AggregateMember_019dd105-99d3-7977-a113-d4b1b743273b" xlink:href="asur-20260331.xsd#asur_AggregateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019dd105-99d3-7d25-aba3-4bbe2effaed3" xlink:to="loc_asur_AggregateMember_019dd105-99d3-7977-a113-d4b1b743273b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_FundsHeldForClients2Abstract_019dd105-99d3-7c70-bc76-1e537aa5b605" xlink:href="asur-20260331.xsd#asur_FundsHeldForClients2Abstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_019dd105-99d3-7406-a3b2-6bbc7d5fb1dc" xlink:to="loc_asur_FundsHeldForClients2Abstract_019dd105-99d3-7c70-bc76-1e537aa5b605" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_FundsHeldForClientsRestrictedCashEquivalentsAmortizedCost_019dd105-99d3-7459-a67f-829da1f83954" xlink:href="asur-20260331.xsd#asur_FundsHeldForClientsRestrictedCashEquivalentsAmortizedCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_FundsHeldForClients2Abstract_019dd105-99d3-7c70-bc76-1e537aa5b605" xlink:to="loc_asur_FundsHeldForClientsRestrictedCashEquivalentsAmortizedCost_019dd105-99d3-7459-a67f-829da1f83954" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_019dd105-99d3-7931-8f82-f680e4f5da67" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_FundsHeldForClients2Abstract_019dd105-99d3-7c70-bc76-1e537aa5b605" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_019dd105-99d3-7931-8f82-f680e4f5da67" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_FundsHeldForClientsRestrictedCashEquivalentsAndDebtSecuritiesAmortizedCost_019dd105-99d3-7dc2-b703-c2ba7516e745" xlink:href="asur-20260331.xsd#asur_FundsHeldForClientsRestrictedCashEquivalentsAndDebtSecuritiesAmortizedCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_FundsHeldForClients2Abstract_019dd105-99d3-7c70-bc76-1e537aa5b605" xlink:to="loc_asur_FundsHeldForClientsRestrictedCashEquivalentsAndDebtSecuritiesAmortizedCost_019dd105-99d3-7dc2-b703-c2ba7516e745" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_FundsHeldForClientsRestrictedCashEquivalentsGrossUnrealizedGains_019dd105-99d3-7c14-8109-a8f5db42826b" xlink:href="asur-20260331.xsd#asur_FundsHeldForClientsRestrictedCashEquivalentsGrossUnrealizedGains"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_FundsHeldForClients2Abstract_019dd105-99d3-7c70-bc76-1e537aa5b605" xlink:to="loc_asur_FundsHeldForClientsRestrictedCashEquivalentsGrossUnrealizedGains_019dd105-99d3-7c14-8109-a8f5db42826b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_019dd105-99d3-7d8c-9771-30689ddd5bf5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_FundsHeldForClients2Abstract_019dd105-99d3-7c70-bc76-1e537aa5b605" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_019dd105-99d3-7d8c-9771-30689ddd5bf5" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_FundsHeldForClientsRestrictedCashEquivalentsAndDebtSecuritiesGrossUnrealizedGains_019dd105-99d3-7c23-8e73-61f109dbc27e" xlink:href="asur-20260331.xsd#asur_FundsHeldForClientsRestrictedCashEquivalentsAndDebtSecuritiesGrossUnrealizedGains"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_FundsHeldForClients2Abstract_019dd105-99d3-7c70-bc76-1e537aa5b605" xlink:to="loc_asur_FundsHeldForClientsRestrictedCashEquivalentsAndDebtSecuritiesGrossUnrealizedGains_019dd105-99d3-7c23-8e73-61f109dbc27e" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_FundsHeldForClientsRestrictedCashEquivalentsGrossUnrealizedLosses_019dd105-99d3-799f-8822-2719bc2fe8d2" xlink:href="asur-20260331.xsd#asur_FundsHeldForClientsRestrictedCashEquivalentsGrossUnrealizedLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_FundsHeldForClients2Abstract_019dd105-99d3-7c70-bc76-1e537aa5b605" xlink:to="loc_asur_FundsHeldForClientsRestrictedCashEquivalentsGrossUnrealizedLosses_019dd105-99d3-799f-8822-2719bc2fe8d2" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_019dd105-99d3-7b8e-9174-e7caf6d7f46e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_FundsHeldForClients2Abstract_019dd105-99d3-7c70-bc76-1e537aa5b605" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_019dd105-99d3-7b8e-9174-e7caf6d7f46e" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_FundsHeldForClientsRestrictedCashAndDebtSecuritiesGrossUnrealizedLosses_019dd105-99d3-7e10-aac2-72f945ff3ff8" xlink:href="asur-20260331.xsd#asur_FundsHeldForClientsRestrictedCashAndDebtSecuritiesGrossUnrealizedLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_FundsHeldForClients2Abstract_019dd105-99d3-7c70-bc76-1e537aa5b605" xlink:to="loc_asur_FundsHeldForClientsRestrictedCashAndDebtSecuritiesGrossUnrealizedLosses_019dd105-99d3-7e10-aac2-72f945ff3ff8" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_FundsHeldForClientsRestrictedCashEquivalents_019dd105-99d3-7321-bf25-13424c36775a" xlink:href="asur-20260331.xsd#asur_FundsHeldForClientsRestrictedCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_FundsHeldForClients2Abstract_019dd105-99d3-7c70-bc76-1e537aa5b605" xlink:to="loc_asur_FundsHeldForClientsRestrictedCashEquivalents_019dd105-99d3-7321-bf25-13424c36775a" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_019dd105-99d3-76b8-89c9-0780aa27a913" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_FundsHeldForClients2Abstract_019dd105-99d3-7c70-bc76-1e537aa5b605" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_019dd105-99d3-76b8-89c9-0780aa27a913" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_FundsHeldForClientsRestrictedCashEquivalentsAndDebtSecurities_019dd105-99d3-728f-abb1-38a720ca89ab" xlink:href="asur-20260331.xsd#asur_FundsHeldForClientsRestrictedCashEquivalentsAndDebtSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_FundsHeldForClients2Abstract_019dd105-99d3-7c70-bc76-1e537aa5b605" xlink:to="loc_asur_FundsHeldForClientsRestrictedCashEquivalentsAndDebtSecurities_019dd105-99d3-728f-abb1-38a720ca89ab" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_NumberOfSecuritiesInUnrealizedGainPosition_019dd105-99d3-7408-a763-9680a0e4d9d2" xlink:href="asur-20260331.xsd#asur_NumberOfSecuritiesInUnrealizedGainPosition"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_019dd105-99d3-7406-a3b2-6bbc7d5fb1dc" xlink:to="loc_asur_NumberOfSecuritiesInUnrealizedGainPosition_019dd105-99d3-7408-a763-9680a0e4d9d2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions_019dd105-99d3-75d3-ab1e-303877e9e471" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_019dd105-99d3-7406-a3b2-6bbc7d5fb1dc" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions_019dd105-99d3-75d3-ab1e-303877e9e471" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/GOODWILLANDOTHERINTANGIBLEASSETSScheduleofIntangibleAssetAcquisitionsDetails" xlink:type="simple" xlink:href="asur-20260331.xsd#GOODWILLANDOTHERINTANGIBLEASSETSScheduleofIntangibleAssetAcquisitionsDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/GOODWILLANDOTHERINTANGIBLEASSETSScheduleofIntangibleAssetAcquisitionsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019dd105-99d3-7540-ae6b-2b7aab3722d0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019dd105-99d3-77ac-bac0-3f6f1496d151" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019dd105-99d3-7540-ae6b-2b7aab3722d0" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019dd105-99d3-77ac-bac0-3f6f1496d151" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019dd105-99d3-7d59-b0f3-801c1a712af1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019dd105-99d3-77ac-bac0-3f6f1496d151" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019dd105-99d3-7d59-b0f3-801c1a712af1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019dd105-99d3-7d59-b0f3-801c1a712af1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019dd105-99d3-7d59-b0f3-801c1a712af1" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019dd105-99d3-7d59-b0f3-801c1a712af1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019dd105-99d3-788b-9763-cbd0be873a45" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019dd105-99d3-7d59-b0f3-801c1a712af1" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019dd105-99d3-788b-9763-cbd0be873a45" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_019dd105-99d3-77ae-a268-983b5fdadc63" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019dd105-99d3-788b-9763-cbd0be873a45" xlink:to="loc_us-gaap_CustomerRelationshipsMember_019dd105-99d3-77ae-a268-983b5fdadc63" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_019dd105-99d3-7195-8c99-a9ef94af3cac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DevelopedTechnologyRightsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019dd105-99d3-788b-9763-cbd0be873a45" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_019dd105-99d3-7195-8c99-a9ef94af3cac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeNamesMember_019dd105-99d3-7318-be6e-9b25f107e2b5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TradeNamesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019dd105-99d3-788b-9763-cbd0be873a45" xlink:to="loc_us-gaap_TradeNamesMember_019dd105-99d3-7318-be6e-9b25f107e2b5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncompeteAgreementsMember_019dd105-99d3-7163-ae52-3ac95b0ee5c0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NoncompeteAgreementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019dd105-99d3-788b-9763-cbd0be873a45" xlink:to="loc_us-gaap_NoncompeteAgreementsMember_019dd105-99d3-7163-ae52-3ac95b0ee5c0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsRollForward_019dd105-99d3-7dfb-8f7f-adaf583b1986" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019dd105-99d3-7540-ae6b-2b7aab3722d0" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsRollForward_019dd105-99d3-7dfb-8f7f-adaf583b1986" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019dd105-99d3-7e3a-96c0-7926f3dbd1c1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsRollForward_019dd105-99d3-7dfb-8f7f-adaf583b1986" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019dd105-99d3-7e3a-96c0-7926f3dbd1c1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_019dd105-99d3-7318-8be2-f599dfcf8813" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinitelivedIntangibleAssetsAcquired1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsRollForward_019dd105-99d3-7dfb-8f7f-adaf583b1986" xlink:to="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_019dd105-99d3-7318-8be2-f599dfcf8813" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019dd105-99d3-7cf2-ab6c-96cf401a10be" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/GOODWILLANDOTHERINTANGIBLEASSETSSummaryofGrossCarryingAmountandAccumulatedAmortizationofIntangibleAssetsDetails" xlink:type="simple" xlink:href="asur-20260331.xsd#GOODWILLANDOTHERINTANGIBLEASSETSSummaryofGrossCarryingAmountandAccumulatedAmortizationofIntangibleAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/GOODWILLANDOTHERINTANGIBLEASSETSSummaryofGrossCarryingAmountandAccumulatedAmortizationofIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019dd105-99d3-7ceb-8258-2969d2271ace" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019dd105-99d3-797c-8d8e-59c0d1a83f7f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019dd105-99d3-7ceb-8258-2969d2271ace" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019dd105-99d3-797c-8d8e-59c0d1a83f7f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019dd105-99d3-7145-9346-53021542c5ef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019dd105-99d3-797c-8d8e-59c0d1a83f7f" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019dd105-99d3-7145-9346-53021542c5ef" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019dd105-99d3-7145-9346-53021542c5ef_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019dd105-99d3-7145-9346-53021542c5ef" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019dd105-99d3-7145-9346-53021542c5ef_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019dd105-99d3-7d60-88b3-38ecccb79bba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019dd105-99d3-7145-9346-53021542c5ef" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019dd105-99d3-7d60-88b3-38ecccb79bba" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_019dd105-99d3-7d43-a16a-8fc7b858a44c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019dd105-99d3-7d60-88b3-38ecccb79bba" xlink:to="loc_us-gaap_CustomerRelationshipsMember_019dd105-99d3-7d43-a16a-8fc7b858a44c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_019dd105-99d3-7bdf-b2db-c282ad96d97d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DevelopedTechnologyRightsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019dd105-99d3-7d60-88b3-38ecccb79bba" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_019dd105-99d3-7bdf-b2db-c282ad96d97d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeNamesMember_019dd105-99d3-71f2-999f-505d61005631" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TradeNamesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019dd105-99d3-7d60-88b3-38ecccb79bba" xlink:to="loc_us-gaap_TradeNamesMember_019dd105-99d3-71f2-999f-505d61005631" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncompeteAgreementsMember_019dd105-99d3-7fda-b99d-360854998c0d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NoncompeteAgreementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019dd105-99d3-7d60-88b3-38ecccb79bba" xlink:to="loc_us-gaap_NoncompeteAgreementsMember_019dd105-99d3-7fda-b99d-360854998c0d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_019dd105-99d3-7bd6-8160-93a2b6494ea4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019dd105-99d3-7ceb-8258-2969d2271ace" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_019dd105-99d3-7bd6-8160-93a2b6494ea4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019dd105-99d3-7f01-9be8-d2333b910b2a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019dd105-99d3-7ceb-8258-2969d2271ace" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019dd105-99d3-7f01-9be8-d2333b910b2a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019dd105-99d3-7f54-89a4-eeb4cd82c631" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019dd105-99d3-7ceb-8258-2969d2271ace" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019dd105-99d3-7f54-89a4-eeb4cd82c631" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019dd105-99d3-7cfe-aefb-6e31ea254f7f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019dd105-99d3-7ceb-8258-2969d2271ace" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019dd105-99d3-7cfe-aefb-6e31ea254f7f" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/NOTESPAYABLEScheduleofDebtDetails" xlink:type="simple" xlink:href="asur-20260331.xsd#NOTESPAYABLEScheduleofDebtDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/NOTESPAYABLEScheduleofDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd105-99d3-71f7-aa3e-df3529b968bf" xlink:href="asur-20260331.xsd#asur_NOTESPAYABLEDetailsScheduleofDebtLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_NOTESPAYABLEDetailsScheduleofDebtTable_019dd105-99d3-79b8-bd90-28324ce0add5" xlink:href="asur-20260331.xsd#asur_NOTESPAYABLEDetailsScheduleofDebtTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd105-99d3-71f7-aa3e-df3529b968bf" xlink:to="loc_asur_NOTESPAYABLEDetailsScheduleofDebtTable_019dd105-99d3-79b8-bd90-28324ce0add5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019dd105-99d3-7d70-8514-78baac997d8f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtTable_019dd105-99d3-79b8-bd90-28324ce0add5" xlink:to="loc_us-gaap_DebtInstrumentAxis_019dd105-99d3-7d70-8514-78baac997d8f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019dd105-99d3-7d70-8514-78baac997d8f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019dd105-99d3-7d70-8514-78baac997d8f" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019dd105-99d3-7d70-8514-78baac997d8f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019dd105-99d3-76f3-9957-999286774c5b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019dd105-99d3-7d70-8514-78baac997d8f" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019dd105-99d3-76f3-9957-999286774c5b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019dd105-99d3-7933-86ef-b2dbd8dfad87" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtTable_019dd105-99d3-79b8-bd90-28324ce0add5" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019dd105-99d3-7933-86ef-b2dbd8dfad87" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019dd105-99d3-7933-86ef-b2dbd8dfad87_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019dd105-99d3-7933-86ef-b2dbd8dfad87" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019dd105-99d3-7933-86ef-b2dbd8dfad87_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019dd105-99d3-77e7-a288-bf211de841c1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019dd105-99d3-7933-86ef-b2dbd8dfad87" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019dd105-99d3-77e7-a288-bf211de841c1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayableOtherPayablesMember_019dd105-99d3-729c-9c24-e734ca6c75b7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NotesPayableOtherPayablesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019dd105-99d3-77e7-a288-bf211de841c1" xlink:to="loc_us-gaap_NotesPayableOtherPayablesMember_019dd105-99d3-729c-9c24-e734ca6c75b7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_NotesPayableAcquisitionsMember_019dd105-99d3-7354-83b2-fd6baebc6c7f" xlink:href="asur-20260331.xsd#asur_NotesPayableAcquisitionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019dd105-99d3-77e7-a288-bf211de841c1" xlink:to="loc_asur_NotesPayableAcquisitionsMember_019dd105-99d3-7354-83b2-fd6baebc6c7f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019dd105-99d3-7afa-b229-5ef8bc10570d" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtTable_019dd105-99d3-79b8-bd90-28324ce0add5" xlink:to="loc_srt_RangeAxis_019dd105-99d3-7afa-b229-5ef8bc10570d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019dd105-99d3-7afa-b229-5ef8bc10570d_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019dd105-99d3-7afa-b229-5ef8bc10570d" xlink:to="loc_srt_RangeMember_019dd105-99d3-7afa-b229-5ef8bc10570d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019dd105-99d3-79ae-a24c-57f9e8f0442d" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019dd105-99d3-7afa-b229-5ef8bc10570d" xlink:to="loc_srt_RangeMember_019dd105-99d3-79ae-a24c-57f9e8f0442d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019dd105-99d3-7966-bbaf-3a6179718803" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019dd105-99d3-79ae-a24c-57f9e8f0442d" xlink:to="loc_srt_MinimumMember_019dd105-99d3-7966-bbaf-3a6179718803" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019dd105-99d3-7532-a9ef-9e2bedba5813" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019dd105-99d3-79ae-a24c-57f9e8f0442d" xlink:to="loc_srt_MaximumMember_019dd105-99d3-7532-a9ef-9e2bedba5813" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentMaturityDateDescription_019dd105-99d3-74cb-926e-66b1c2835b9e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentMaturityDateDescription"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd105-99d3-71f7-aa3e-df3529b968bf" xlink:to="loc_us-gaap_DebtInstrumentMaturityDateDescription_019dd105-99d3-74cb-926e-66b1c2835b9e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019dd105-99d3-7482-98a7-82d6d673b359" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd105-99d3-71f7-aa3e-df3529b968bf" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019dd105-99d3-7482-98a7-82d6d673b359" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019dd105-99d3-7e65-8c23-ada7860f1fbc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd105-99d3-71f7-aa3e-df3529b968bf" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_019dd105-99d3-7e65-8c23-ada7860f1fbc" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/NOTESPAYABLEScheduleofDebtandDebtIssuanceCostsDetails" xlink:type="simple" xlink:href="asur-20260331.xsd#NOTESPAYABLEScheduleofDebtandDebtIssuanceCostsDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/NOTESPAYABLEScheduleofDebtandDebtIssuanceCostsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_asur_NOTESPAYABLEDetailsLineItems_019dd105-99d4-7e8c-9c4c-5978490b5459" xlink:href="asur-20260331.xsd#asur_NOTESPAYABLEDetailsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_NOTESPAYABLEDetailsTable_019dd105-99d4-7d96-a381-17a5564b3a0e" xlink:href="asur-20260331.xsd#asur_NOTESPAYABLEDetailsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_asur_NOTESPAYABLEDetailsLineItems_019dd105-99d4-7e8c-9c4c-5978490b5459" xlink:to="loc_asur_NOTESPAYABLEDetailsTable_019dd105-99d4-7d96-a381-17a5564b3a0e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019dd105-99d4-7a0b-9be1-f6651ef1ccdd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_NOTESPAYABLEDetailsTable_019dd105-99d4-7d96-a381-17a5564b3a0e" xlink:to="loc_us-gaap_DebtInstrumentAxis_019dd105-99d4-7a0b-9be1-f6651ef1ccdd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019dd105-99d4-7a0b-9be1-f6651ef1ccdd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019dd105-99d4-7a0b-9be1-f6651ef1ccdd" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019dd105-99d4-7a0b-9be1-f6651ef1ccdd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019dd105-99d4-7ec8-b4bd-9ba5632df3cf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019dd105-99d4-7a0b-9be1-f6651ef1ccdd" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019dd105-99d4-7ec8-b4bd-9ba5632df3cf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsCurrentGross_019dd105-99d4-7004-9d17-3841b8791c1d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredFinanceCostsCurrentGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsLineItems_019dd105-99d4-7e8c-9c4c-5978490b5459" xlink:to="loc_us-gaap_DeferredFinanceCostsCurrentGross_019dd105-99d4-7004-9d17-3841b8791c1d" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/NOTESPAYABLENarrativeDetails" xlink:type="simple" xlink:href="asur-20260331.xsd#NOTESPAYABLENarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/NOTESPAYABLENarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd4c2-0210-7ca6-ba33-dc4b4e047ed7" xlink:href="asur-20260331.xsd#asur_NOTESPAYABLEDetailsScheduleofDebtLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_NOTESPAYABLEDetailsScheduleofDebtTable_019dd4c2-020f-7e2f-a823-603d4e322fb9" xlink:href="asur-20260331.xsd#asur_NOTESPAYABLEDetailsScheduleofDebtTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd4c2-0210-7ca6-ba33-dc4b4e047ed7" xlink:to="loc_asur_NOTESPAYABLEDetailsScheduleofDebtTable_019dd4c2-020f-7e2f-a823-603d4e322fb9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019dd4c2-020f-75fb-8938-34a3a77da216" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtTable_019dd4c2-020f-7e2f-a823-603d4e322fb9" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019dd4c2-020f-75fb-8938-34a3a77da216" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019dd4c2-020f-75fb-8938-34a3a77da216_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019dd4c2-020f-75fb-8938-34a3a77da216" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019dd4c2-020f-75fb-8938-34a3a77da216_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019dd4c2-020f-78a1-955f-f8d80d16b58d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019dd4c2-020f-75fb-8938-34a3a77da216" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019dd4c2-020f-78a1-955f-f8d80d16b58d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_NotesPayableAcquisitionsMember_019dd4c2-020f-78c7-9a71-0e88a2c7d7a0" xlink:href="asur-20260331.xsd#asur_NotesPayableAcquisitionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019dd4c2-020f-78a1-955f-f8d80d16b58d" xlink:to="loc_asur_NotesPayableAcquisitionsMember_019dd4c2-020f-78c7-9a71-0e88a2c7d7a0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayableOtherPayablesMember_019dd4c2-020f-7540-b4ce-91675e5386c2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NotesPayableOtherPayablesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019dd4c2-020f-78a1-955f-f8d80d16b58d" xlink:to="loc_us-gaap_NotesPayableOtherPayablesMember_019dd4c2-020f-7540-b4ce-91675e5386c2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_DebtInstrumentNumberOfInstruments_019dd4c2-0210-7484-8be2-a408ae5602d6" xlink:href="asur-20260331.xsd#asur_DebtInstrumentNumberOfInstruments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd4c2-0210-7ca6-ba33-dc4b4e047ed7" xlink:to="loc_asur_DebtInstrumentNumberOfInstruments_019dd4c2-0210-7484-8be2-a408ae5602d6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_019dd4c2-0210-71e0-ab65-be260893958b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd4c2-0210-7ca6-ba33-dc4b4e047ed7" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_019dd4c2-0210-71e0-ab65-be260893958b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019dd4c2-0210-79aa-8447-4787bfa12954" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd4c2-0210-7ca6-ba33-dc4b4e047ed7" xlink:to="loc_us-gaap_LongTermDebt_019dd4c2-0210-79aa-8447-4787bfa12954" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ExtinguishmentOfDebtAmount_019dd4c2-0210-7d8a-b464-e0c8d92dc3e5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ExtinguishmentOfDebtAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd4c2-0210-7ca6-ba33-dc4b4e047ed7" xlink:to="loc_us-gaap_ExtinguishmentOfDebtAmount_019dd4c2-0210-7d8a-b464-e0c8d92dc3e5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_StockIssuedDuringPeriodSharesDebtPayment_019dd4c2-0210-73d9-b436-2d7af4d725f3" xlink:href="asur-20260331.xsd#asur_StockIssuedDuringPeriodSharesDebtPayment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd4c2-0210-7ca6-ba33-dc4b4e047ed7" xlink:to="loc_asur_StockIssuedDuringPeriodSharesDebtPayment_019dd4c2-0210-73d9-b436-2d7af4d725f3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_StockIssuedDuringPeriodValueDebtPayment_019dd4c2-0210-73ef-b290-082edb5b03fd" xlink:href="asur-20260331.xsd#asur_StockIssuedDuringPeriodValueDebtPayment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd4c2-0210-7ca6-ba33-dc4b4e047ed7" xlink:to="loc_asur_StockIssuedDuringPeriodValueDebtPayment_019dd4c2-0210-73ef-b290-082edb5b03fd" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_CashPaidForInterestDebt_019dd4c2-0210-7afb-875b-791de722fbb3" xlink:href="asur-20260331.xsd#asur_CashPaidForInterestDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd4c2-0210-7ca6-ba33-dc4b4e047ed7" xlink:to="loc_asur_CashPaidForInterestDebt_019dd4c2-0210-7afb-875b-791de722fbb3" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019dd4c2-0210-7268-ba84-a10017dc298c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd4c2-0210-7ca6-ba33-dc4b4e047ed7" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019dd4c2-0210-7268-ba84-a10017dc298c" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_LineOfCreditInterestRateApplicableMargin_019dd4c2-0210-7034-89f2-7820f628a9a8" xlink:href="asur-20260331.xsd#asur_LineOfCreditInterestRateApplicableMargin"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd4c2-0210-7ca6-ba33-dc4b4e047ed7" xlink:to="loc_asur_LineOfCreditInterestRateApplicableMargin_019dd4c2-0210-7034-89f2-7820f628a9a8" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_LineOfCreditInterestRateSOFRFloor_019dd4c2-0210-708d-aff7-7830163f1f37" xlink:href="asur-20260331.xsd#asur_LineOfCreditInterestRateSOFRFloor"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd4c2-0210-7ca6-ba33-dc4b4e047ed7" xlink:to="loc_asur_LineOfCreditInterestRateSOFRFloor_019dd4c2-0210-708d-aff7-7830163f1f37" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019dd4c2-0210-7fda-a966-458dd1433007" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd4c2-0210-7ca6-ba33-dc4b4e047ed7" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019dd4c2-0210-7fda-a966-458dd1433007" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_LineOfCreditPrincipalPaymentPeriodLength_019dd4c2-0210-700c-b9ff-a36d2a0fd792" xlink:href="asur-20260331.xsd#asur_LineOfCreditPrincipalPaymentPeriodLength"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd4c2-0210-7ca6-ba33-dc4b4e047ed7" xlink:to="loc_asur_LineOfCreditPrincipalPaymentPeriodLength_019dd4c2-0210-700c-b9ff-a36d2a0fd792" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_LineOfCreditAgencyFee_019dd4c2-0210-777b-bf62-b635a87fffaa" xlink:href="asur-20260331.xsd#asur_LineOfCreditAgencyFee"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd4c2-0210-7ca6-ba33-dc4b4e047ed7" xlink:to="loc_asur_LineOfCreditAgencyFee_019dd4c2-0210-777b-bf62-b635a87fffaa" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_LineOfCreditFinalPaymentFeePercent_019dd4c2-0210-7e28-aff6-cf524ea86b83" xlink:href="asur-20260331.xsd#asur_LineOfCreditFinalPaymentFeePercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd4c2-0210-7ca6-ba33-dc4b4e047ed7" xlink:to="loc_asur_LineOfCreditFinalPaymentFeePercent_019dd4c2-0210-7e28-aff6-cf524ea86b83" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_LineOfCreditInterestRateDefaultPenalty_019dd4c2-0210-7c62-9d52-f2d44ae907c0" xlink:href="asur-20260331.xsd#asur_LineOfCreditInterestRateDefaultPenalty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd4c2-0210-7ca6-ba33-dc4b4e047ed7" xlink:to="loc_asur_LineOfCreditInterestRateDefaultPenalty_019dd4c2-0210-7c62-9d52-f2d44ae907c0" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_LineOfCreditCovenantTotalLeverageRatio_019dd4c2-0210-7531-89fc-4d1efc0ccec7" xlink:href="asur-20260331.xsd#asur_LineOfCreditCovenantTotalLeverageRatio"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd4c2-0210-7ca6-ba33-dc4b4e047ed7" xlink:to="loc_asur_LineOfCreditCovenantTotalLeverageRatio_019dd4c2-0210-7531-89fc-4d1efc0ccec7" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_LineOfCreditCovenantsMinimumLiquidityThresholdAmount_019dd4c2-0210-7b93-9389-ae9aab484cd6" xlink:href="asur-20260331.xsd#asur_LineOfCreditCovenantsMinimumLiquidityThresholdAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd4c2-0210-7ca6-ba33-dc4b4e047ed7" xlink:to="loc_asur_LineOfCreditCovenantsMinimumLiquidityThresholdAmount_019dd4c2-0210-7b93-9389-ae9aab484cd6" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtIssuanceCostsLineOfCreditArrangementsGross_019dd4c2-0210-7429-920c-c69921f2f621" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtIssuanceCostsLineOfCreditArrangementsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd4c2-0210-7ca6-ba33-dc4b4e047ed7" xlink:to="loc_us-gaap_DebtIssuanceCostsLineOfCreditArrangementsGross_019dd4c2-0210-7429-920c-c69921f2f621" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_019dd4c2-0210-7711-9a70-136dcabaad25" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromLinesOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_NOTESPAYABLEDetailsScheduleofDebtLineItems_019dd4c2-0210-7ca6-ba33-dc4b4e047ed7" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_019dd4c2-0210-7711-9a70-136dcabaad25" xlink:type="arc" order="18"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetails" xlink:type="simple" xlink:href="asur-20260331.xsd#CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_019dd105-99d4-76b5-b53b-7fcc18b8309e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_019dd105-99d4-76b5-b53b-7fcc18b8309e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_019dd105-99d4-76b6-9e45-8950b7c0dd44" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019dd105-99d4-76b5-b53b-7fcc18b8309e" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_019dd105-99d4-76b6-9e45-8950b7c0dd44" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis_019dd4df-e662-7d85-a7f2-261bbbd89ebc" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MajorCustomersAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019dd105-99d4-76b5-b53b-7fcc18b8309e" xlink:to="loc_srt_MajorCustomersAxis_019dd4df-e662-7d85-a7f2-261bbbd89ebc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_019dd4df-e662-7d85-a7f2-261bbbd89ebc_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MajorCustomersAxis_019dd4df-e662-7d85-a7f2-261bbbd89ebc" xlink:to="loc_srt_NameOfMajorCustomerDomain_019dd4df-e662-7d85-a7f2-261bbbd89ebc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_019dd4df-e662-7856-bc69-b84617b0f169" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MajorCustomersAxis_019dd4df-e662-7d85-a7f2-261bbbd89ebc" xlink:to="loc_srt_NameOfMajorCustomerDomain_019dd4df-e662-7856-bc69-b84617b0f169" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_OneCustomerMember_019dd4df-e662-7bc4-9b40-77985e59f0d6" xlink:href="asur-20260331.xsd#asur_OneCustomerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_019dd4df-e662-7856-bc69-b84617b0f169" xlink:to="loc_asur_OneCustomerMember_019dd4df-e662-7bc4-9b40-77985e59f0d6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_TwoCustomerMember_019dd4e0-3cec-725a-8def-5ca6fc57dbe2" xlink:href="asur-20260331.xsd#asur_TwoCustomerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_019dd4df-e662-7856-bc69-b84617b0f169" xlink:to="loc_asur_TwoCustomerMember_019dd4e0-3cec-725a-8def-5ca6fc57dbe2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_OneAndTwoCustomerMember_019dd4e1-fd3c-7885-897b-ebecd81a425c" xlink:href="asur-20260331.xsd#asur_OneAndTwoCustomerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_019dd4df-e662-7856-bc69-b84617b0f169" xlink:to="loc_asur_OneAndTwoCustomerMember_019dd4e1-fd3c-7885-897b-ebecd81a425c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_019dd4df-e662-7e3f-b575-9db6d0398da5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019dd105-99d4-76b5-b53b-7fcc18b8309e" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_019dd4df-e662-7e3f-b575-9db6d0398da5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_019dd4df-e662-7e3f-b575-9db6d0398da5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_019dd4df-e662-7e3f-b575-9db6d0398da5" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_019dd4df-e662-7e3f-b575-9db6d0398da5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_019dd4df-e662-76de-8f0e-0b502ff88eba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_019dd4df-e662-7e3f-b575-9db6d0398da5" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_019dd4df-e662-76de-8f0e-0b502ff88eba" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableMember_019dd4df-e662-7435-b4f6-5ddd2bd79306" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_019dd4df-e662-76de-8f0e-0b502ff88eba" xlink:to="loc_us-gaap_AccountsReceivableMember_019dd4df-e662-7435-b4f6-5ddd2bd79306" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_019dd4df-e662-7615-af02-83bc3b088d2c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019dd105-99d4-76b5-b53b-7fcc18b8309e" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_019dd4df-e662-7615-af02-83bc3b088d2c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_019dd4df-e662-7615-af02-83bc3b088d2c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_019dd4df-e662-7615-af02-83bc3b088d2c" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_019dd4df-e662-7615-af02-83bc3b088d2c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_019dd4df-e662-75f3-9a52-c42ad3ebca9e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_019dd4df-e662-7615-af02-83bc3b088d2c" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_019dd4df-e662-75f3-9a52-c42ad3ebca9e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_019dd4df-e662-7db6-bef7-7242de66793c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CustomerConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_019dd4df-e662-75f3-9a52-c42ad3ebca9e" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_019dd4df-e662-7db6-bef7-7242de66793c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss_019dd105-99d4-7eef-8562-c17b809808d9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss_019dd105-99d4-7eef-8562-c17b809808d9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_019dd105-99d4-7f37-ab42-3ebd175ad5fe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_019dd105-99d4-7f37-ab42-3ebd175ad5fe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_019dd105-99d4-7fa2-9237-6648a54d126c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_019dd105-99d4-7fa2-9237-6648a54d126c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_019dd105-99d4-7877-99a2-f0fd7fa34c3e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_019dd105-99d4-7877-99a2-f0fd7fa34c3e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries_019dd105-99d4-7cfd-b6a4-32b0561673a2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries_019dd105-99d4-7cfd-b6a4-32b0561673a2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNet_019dd105-99d4-70d3-bc06-5c0cd4d85c79" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerAssetNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_ContractWithCustomerAssetNet_019dd105-99d4-70d3-bc06-5c0cd4d85c79" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedSalesCommissionCurrentAndNoncurrent_019dd105-99d4-7a2b-9f58-c904b925e407" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedSalesCommissionCurrentAndNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_AccruedSalesCommissionCurrentAndNoncurrent_019dd105-99d4-7a2b-9f58-c904b925e407" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfDeferredSalesCommissions_019dd105-99d4-78d8-b689-d73a66623054" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfDeferredSalesCommissions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_AmortizationOfDeferredSalesCommissions_019dd105-99d4-78d8-b689-d73a66623054" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredRevenueRevenueRecognized1_019dd105-99d4-717e-969e-8ea8638446fd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredRevenueRevenueRecognized1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_DeferredRevenueRevenueRecognized1_019dd105-99d4-717e-969e-8ea8638446fd" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_019dd105-99d4-7e6e-bc55-6bf86182c494" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_019dd105-99d4-7e6e-bc55-6bf86182c494" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_019dd105-99d4-7cf3-932c-09135cde477a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_019dd105-99d4-7cf3-932c-09135cde477a" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_019dd105-99d4-78fe-9e42-48aa17f4a610" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_019dd105-99d4-78fe-9e42-48aa17f4a610" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_019dd4e1-4995-749c-a63e-ab29916499d8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_019dd4e1-4995-749c-a63e-ab29916499d8" xlink:type="arc" order="12"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetails_1" xlink:type="simple" xlink:href="asur-20260331.xsd#CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetails_1"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/CONTRACTSWITHCUSTOMERSANDREVENUECONCENTRATIONDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_019dd105-99d4-76b5-b53b-7fcc18b8309e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_019dd105-99d4-76b5-b53b-7fcc18b8309e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis_019dd4df-e662-7d85-a7f2-261bbbd89ebc" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MajorCustomersAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019dd105-99d4-76b5-b53b-7fcc18b8309e" xlink:to="loc_srt_MajorCustomersAxis_019dd4df-e662-7d85-a7f2-261bbbd89ebc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_019dd4df-e662-7d85-a7f2-261bbbd89ebc_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MajorCustomersAxis_019dd4df-e662-7d85-a7f2-261bbbd89ebc" xlink:to="loc_srt_NameOfMajorCustomerDomain_019dd4df-e662-7d85-a7f2-261bbbd89ebc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_019dd4df-e662-7856-bc69-b84617b0f169" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MajorCustomersAxis_019dd4df-e662-7d85-a7f2-261bbbd89ebc" xlink:to="loc_srt_NameOfMajorCustomerDomain_019dd4df-e662-7856-bc69-b84617b0f169" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_OneCustomerMember_019dd4df-e662-7bc4-9b40-77985e59f0d6" xlink:href="asur-20260331.xsd#asur_OneCustomerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_019dd4df-e662-7856-bc69-b84617b0f169" xlink:to="loc_asur_OneCustomerMember_019dd4df-e662-7bc4-9b40-77985e59f0d6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_TwoCustomerMember_019dd4e0-3cec-725a-8def-5ca6fc57dbe2" xlink:href="asur-20260331.xsd#asur_TwoCustomerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_019dd4df-e662-7856-bc69-b84617b0f169" xlink:to="loc_asur_TwoCustomerMember_019dd4e0-3cec-725a-8def-5ca6fc57dbe2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_OneAndTwoCustomerMember_019dd4e1-fd3c-7885-897b-ebecd81a425c" xlink:href="asur-20260331.xsd#asur_OneAndTwoCustomerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_019dd4df-e662-7856-bc69-b84617b0f169" xlink:to="loc_asur_OneAndTwoCustomerMember_019dd4e1-fd3c-7885-897b-ebecd81a425c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_019dd4df-e662-7e3f-b575-9db6d0398da5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019dd105-99d4-76b5-b53b-7fcc18b8309e" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_019dd4df-e662-7e3f-b575-9db6d0398da5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_019dd4df-e662-7e3f-b575-9db6d0398da5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_019dd4df-e662-7e3f-b575-9db6d0398da5" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_019dd4df-e662-7e3f-b575-9db6d0398da5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_019dd4df-e662-76de-8f0e-0b502ff88eba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_019dd4df-e662-7e3f-b575-9db6d0398da5" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_019dd4df-e662-76de-8f0e-0b502ff88eba" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableMember_019dd4df-e662-7435-b4f6-5ddd2bd79306" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_019dd4df-e662-76de-8f0e-0b502ff88eba" xlink:to="loc_us-gaap_AccountsReceivableMember_019dd4df-e662-7435-b4f6-5ddd2bd79306" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_019dd4df-e662-7615-af02-83bc3b088d2c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019dd105-99d4-76b5-b53b-7fcc18b8309e" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_019dd4df-e662-7615-af02-83bc3b088d2c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_019dd4df-e662-7615-af02-83bc3b088d2c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_019dd4df-e662-7615-af02-83bc3b088d2c" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_019dd4df-e662-7615-af02-83bc3b088d2c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_019dd4df-e662-75f3-9a52-c42ad3ebca9e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_019dd4df-e662-7615-af02-83bc3b088d2c" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_019dd4df-e662-75f3-9a52-c42ad3ebca9e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_019dd4df-e662-7db6-bef7-7242de66793c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CustomerConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_019dd4df-e662-75f3-9a52-c42ad3ebca9e" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_019dd4df-e662-7db6-bef7-7242de66793c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss_019dd105-99d4-7eef-8562-c17b809808d9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss_019dd105-99d4-7eef-8562-c17b809808d9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_019dd105-99d4-7f37-ab42-3ebd175ad5fe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_019dd105-99d4-7f37-ab42-3ebd175ad5fe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_019dd105-99d4-7fa2-9237-6648a54d126c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_019dd105-99d4-7fa2-9237-6648a54d126c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_019dd105-99d4-7877-99a2-f0fd7fa34c3e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_019dd105-99d4-7877-99a2-f0fd7fa34c3e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries_019dd105-99d4-7cfd-b6a4-32b0561673a2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries_019dd105-99d4-7cfd-b6a4-32b0561673a2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNet_019dd105-99d4-70d3-bc06-5c0cd4d85c79" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerAssetNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_ContractWithCustomerAssetNet_019dd105-99d4-70d3-bc06-5c0cd4d85c79" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedSalesCommissionCurrentAndNoncurrent_019dd105-99d4-7a2b-9f58-c904b925e407" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedSalesCommissionCurrentAndNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_AccruedSalesCommissionCurrentAndNoncurrent_019dd105-99d4-7a2b-9f58-c904b925e407" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfDeferredSalesCommissions_019dd105-99d4-78d8-b689-d73a66623054" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfDeferredSalesCommissions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_AmortizationOfDeferredSalesCommissions_019dd105-99d4-78d8-b689-d73a66623054" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredRevenueRevenueRecognized1_019dd105-99d4-717e-969e-8ea8638446fd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredRevenueRevenueRecognized1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_DeferredRevenueRevenueRecognized1_019dd105-99d4-717e-969e-8ea8638446fd" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_019dd105-99d4-7e6e-bc55-6bf86182c494" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_019dd105-99d4-7e6e-bc55-6bf86182c494" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_019dd105-99d4-7cf3-932c-09135cde477a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_019dd105-99d4-7cf3-932c-09135cde477a" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_019dd105-99d4-78fe-9e42-48aa17f4a610" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_019dd105-99d4-78fe-9e42-48aa17f4a610" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_019dd4e1-4995-749c-a63e-ab29916499d8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019dd105-99d4-7333-8072-b69b7c99003e" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_019dd4e1-4995-749c-a63e-ab29916499d8" xlink:type="arc" order="12"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/COMMITMENTSANDCONTINGENCIESNarrativeDetails" xlink:type="simple" xlink:href="asur-20260331.xsd#COMMITMENTSANDCONTINGENCIESNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/COMMITMENTSANDCONTINGENCIESNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_asur_LEASESDetailsLineItems_019dd105-99d4-79d5-83c8-f4c384f93c9c" xlink:href="asur-20260331.xsd#asur_LEASESDetailsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_LEASESDetailsTable_019dd105-99d4-7b70-b1e8-70a6b72a6b83" xlink:href="asur-20260331.xsd#asur_LEASESDetailsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_asur_LEASESDetailsLineItems_019dd105-99d4-79d5-83c8-f4c384f93c9c" xlink:to="loc_asur_LEASESDetailsTable_019dd105-99d4-7b70-b1e8-70a6b72a6b83" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019dd105-99d4-7736-bbd6-3e36d7fdf5cc" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_LEASESDetailsTable_019dd105-99d4-7b70-b1e8-70a6b72a6b83" xlink:to="loc_srt_RangeAxis_019dd105-99d4-7736-bbd6-3e36d7fdf5cc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019dd105-99d4-7736-bbd6-3e36d7fdf5cc_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019dd105-99d4-7736-bbd6-3e36d7fdf5cc" xlink:to="loc_srt_RangeMember_019dd105-99d4-7736-bbd6-3e36d7fdf5cc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019dd105-99d4-7a2c-98a1-889bfe97bb3d" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019dd105-99d4-7736-bbd6-3e36d7fdf5cc" xlink:to="loc_srt_RangeMember_019dd105-99d4-7a2c-98a1-889bfe97bb3d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019dd105-99d4-7bbc-9bf7-ee734867c809" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019dd105-99d4-7a2c-98a1-889bfe97bb3d" xlink:to="loc_srt_MinimumMember_019dd105-99d4-7bbc-9bf7-ee734867c809" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019dd105-99d4-75d7-a20a-eec9714e0d09" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019dd105-99d4-7a2c-98a1-889bfe97bb3d" xlink:to="loc_srt_MaximumMember_019dd105-99d4-75d7-a20a-eec9714e0d09" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseTermOfContract_019dd105-99d4-7f0e-8931-b8d54c82e393" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseTermOfContract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_LEASESDetailsLineItems_019dd105-99d4-79d5-83c8-f4c384f93c9c" xlink:to="loc_us-gaap_LesseeOperatingLeaseTermOfContract_019dd105-99d4-7f0e-8931-b8d54c82e393" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeFinanceLeaseRemainingLeaseTerm_019dd4e4-237a-781b-90d2-f64faeded1c7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeFinanceLeaseRemainingLeaseTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_LEASESDetailsLineItems_019dd105-99d4-79d5-83c8-f4c384f93c9c" xlink:to="loc_us-gaap_LesseeFinanceLeaseRemainingLeaseTerm_019dd4e4-237a-781b-90d2-f64faeded1c7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_019dd105-99d4-76f2-8ec8-d89aebe7d4db" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_LEASESDetailsLineItems_019dd105-99d4-79d5-83c8-f4c384f93c9c" xlink:to="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_019dd105-99d4-76f2-8ec8-d89aebe7d4db" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_019dd105-99d4-77b0-b816-a3914541d2f6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_LEASESDetailsLineItems_019dd105-99d4-79d5-83c8-f4c384f93c9c" xlink:to="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_019dd105-99d4-77b0-b816-a3914541d2f6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeFinanceLeaseDiscountRate_019dd4e3-0656-744f-a8e0-d29fe1538cf6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeFinanceLeaseDiscountRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_LEASESDetailsLineItems_019dd105-99d4-79d5-83c8-f4c384f93c9c" xlink:to="loc_us-gaap_LesseeFinanceLeaseDiscountRate_019dd4e3-0656-744f-a8e0-d29fe1538cf6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_RightOfUseAssetObtainedRemovedInExchangeForOperatingLeaseLiability_019dd105-99d4-7f8d-bb51-87952004bb8c" xlink:href="asur-20260331.xsd#asur_RightOfUseAssetObtainedRemovedInExchangeForOperatingLeaseLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_LEASESDetailsLineItems_019dd105-99d4-79d5-83c8-f4c384f93c9c" xlink:to="loc_asur_RightOfUseAssetObtainedRemovedInExchangeForOperatingLeaseLiability_019dd105-99d4-7f8d-bb51-87952004bb8c" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/COMMITMENTSANDCONTINGENCIESLesseeOperatingLeaseDisclosureDetails" xlink:type="simple" xlink:href="asur-20260331.xsd#COMMITMENTSANDCONTINGENCIESLesseeOperatingLeaseDisclosureDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/COMMITMENTSANDCONTINGENCIESLesseeOperatingLeaseDisclosureDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_asur_LEASESDetailsLineItems_019dd105-99d4-796b-93dc-8f8d26b4fb7d" xlink:href="asur-20260331.xsd#asur_LEASESDetailsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_LEASESDetailsTable_019dd105-99d4-7003-be9f-8f2cee0b9af2" xlink:href="asur-20260331.xsd#asur_LEASESDetailsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_asur_LEASESDetailsLineItems_019dd105-99d4-796b-93dc-8f8d26b4fb7d" xlink:to="loc_asur_LEASESDetailsTable_019dd105-99d4-7003-be9f-8f2cee0b9af2" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019dd105-99d4-7d78-b7f2-ae491b876c08" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_asur_LEASESDetailsTable_019dd105-99d4-7003-be9f-8f2cee0b9af2" xlink:to="loc_srt_RangeAxis_019dd105-99d4-7d78-b7f2-ae491b876c08" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019dd105-99d4-7d78-b7f2-ae491b876c08_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019dd105-99d4-7d78-b7f2-ae491b876c08" xlink:to="loc_srt_RangeMember_019dd105-99d4-7d78-b7f2-ae491b876c08_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019dd105-99d4-759b-9e53-108ee0b49dd2" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019dd105-99d4-7d78-b7f2-ae491b876c08" xlink:to="loc_srt_RangeMember_019dd105-99d4-759b-9e53-108ee0b49dd2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019dd105-99d4-79e2-9712-46baef1b5dd5" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019dd105-99d4-759b-9e53-108ee0b49dd2" xlink:to="loc_srt_MinimumMember_019dd105-99d4-79e2-9712-46baef1b5dd5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019dd105-99d4-750e-8794-230303379e7c" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019dd105-99d4-759b-9e53-108ee0b49dd2" xlink:to="loc_srt_MaximumMember_019dd105-99d4-750e-8794-230303379e7c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseTermOfContract_019dd105-99d4-7e00-94bd-be74ca0529cb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseTermOfContract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_asur_LEASESDetailsLineItems_019dd105-99d4-796b-93dc-8f8d26b4fb7d" xlink:to="loc_us-gaap_LesseeOperatingLeaseTermOfContract_019dd105-99d4-7e00-94bd-be74ca0529cb" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/SHAREBASEDCOMPENSATIONNarrativeDetails" xlink:type="simple" xlink:href="asur-20260331.xsd#SHAREBASEDCOMPENSATIONNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/SHAREBASEDCOMPENSATIONNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019dd105-99d4-77d0-9d3a-9a9b6d18a7c9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019dd105-99d4-70de-a7ed-8c5ad20459ce" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019dd105-99d4-77d0-9d3a-9a9b6d18a7c9" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019dd105-99d4-70de-a7ed-8c5ad20459ce" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_019dd105-99d4-78a0-85c3-e2d00e83589a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019dd105-99d4-70de-a7ed-8c5ad20459ce" xlink:to="loc_us-gaap_AwardTypeAxis_019dd105-99d4-78a0-85c3-e2d00e83589a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019dd105-99d4-78a0-85c3-e2d00e83589a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_019dd105-99d4-78a0-85c3-e2d00e83589a" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019dd105-99d4-78a0-85c3-e2d00e83589a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019dd105-99d4-74d7-aba9-893abc63ac79" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_019dd105-99d4-78a0-85c3-e2d00e83589a" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019dd105-99d4-74d7-aba9-893abc63ac79" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_A2018PlanMember_019dd105-99d4-762e-b7d6-d17b4903b1b9" xlink:href="asur-20260331.xsd#asur_A2018PlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019dd105-99d4-74d7-aba9-893abc63ac79" xlink:to="loc_asur_A2018PlanMember_019dd105-99d4-762e-b7d6-d17b4903b1b9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019dd105-99d4-7c4d-a7cc-d4ad6ca37f49" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019dd105-99d4-70de-a7ed-8c5ad20459ce" xlink:to="loc_srt_RangeAxis_019dd105-99d4-7c4d-a7cc-d4ad6ca37f49" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019dd105-99d4-7c4d-a7cc-d4ad6ca37f49_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019dd105-99d4-7c4d-a7cc-d4ad6ca37f49" xlink:to="loc_srt_RangeMember_019dd105-99d4-7c4d-a7cc-d4ad6ca37f49_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019dd105-99d4-7713-819d-08a55be81aa2" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019dd105-99d4-7c4d-a7cc-d4ad6ca37f49" xlink:to="loc_srt_RangeMember_019dd105-99d4-7713-819d-08a55be81aa2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019dd105-99d4-73cc-97ef-cd3cbd3731e5" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019dd105-99d4-7713-819d-08a55be81aa2" xlink:to="loc_srt_MinimumMember_019dd105-99d4-73cc-97ef-cd3cbd3731e5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019dd105-99d4-75b4-9b10-8a81ad033d92" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019dd105-99d4-7713-819d-08a55be81aa2" xlink:to="loc_srt_MaximumMember_019dd105-99d4-75b4-9b10-8a81ad033d92" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardDateAxis_019dd105-99d4-753a-90c8-40766f23aec1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AwardDateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019dd105-99d4-70de-a7ed-8c5ad20459ce" xlink:to="loc_us-gaap_AwardDateAxis_019dd105-99d4-753a-90c8-40766f23aec1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardDateDomain_019dd105-99d4-753a-90c8-40766f23aec1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AwardDateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardDateAxis_019dd105-99d4-753a-90c8-40766f23aec1" xlink:to="loc_us-gaap_AwardDateDomain_019dd105-99d4-753a-90c8-40766f23aec1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardDateDomain_019dd105-99d4-7782-acdf-4bbbe34979e2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AwardDateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardDateAxis_019dd105-99d4-753a-90c8-40766f23aec1" xlink:to="loc_us-gaap_AwardDateDomain_019dd105-99d4-7782-acdf-4bbbe34979e2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_A2025PSUMember_019dd105-99d4-75c3-9609-69ddf3fb9c63" xlink:href="asur-20260331.xsd#asur_A2025PSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AwardDateDomain_019dd105-99d4-7782-acdf-4bbbe34979e2" xlink:to="loc_asur_A2025PSUMember_019dd105-99d4-75c3-9609-69ddf3fb9c63" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_A2026PSUMember_019dd105-99d4-7970-91bc-e7ad5aac1963" xlink:href="asur-20260331.xsd#asur_A2026PSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AwardDateDomain_019dd105-99d4-7782-acdf-4bbbe34979e2" xlink:to="loc_asur_A2026PSUMember_019dd105-99d4-7970-91bc-e7ad5aac1963" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_019dd105-99d4-7598-b729-3fb3931ec343" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019dd105-99d4-77d0-9d3a-9a9b6d18a7c9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_019dd105-99d4-7598-b729-3fb3931ec343" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_019dd105-99d4-7b9b-a503-1c7e7af6ddd7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019dd105-99d4-77d0-9d3a-9a9b6d18a7c9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_019dd105-99d4-7b9b-a503-1c7e7af6ddd7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_019dd105-99d4-70e2-95cf-e1bd2870f576" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019dd105-99d4-77d0-9d3a-9a9b6d18a7c9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_019dd105-99d4-70e2-95cf-e1bd2870f576" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_019dd105-99d4-7a44-92cc-93069fa51f5b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019dd105-99d4-77d0-9d3a-9a9b6d18a7c9" xlink:to="loc_us-gaap_ShareBasedCompensation_019dd105-99d4-7a44-92cc-93069fa51f5b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_ShareBasedCompensationArrangementsByShareBasedPaymentAwardPerformanceBasedUnitsPayoutPercentage_019dd105-99d4-7df3-9dbc-b70dc1b2f12c" xlink:href="asur-20260331.xsd#asur_ShareBasedCompensationArrangementsByShareBasedPaymentAwardPerformanceBasedUnitsPayoutPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019dd105-99d4-77d0-9d3a-9a9b6d18a7c9" xlink:to="loc_asur_ShareBasedCompensationArrangementsByShareBasedPaymentAwardPerformanceBasedUnitsPayoutPercentage_019dd105-99d4-7df3-9dbc-b70dc1b2f12c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_019dd105-99d4-733c-a49a-8c03765e8fab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019dd105-99d4-77d0-9d3a-9a9b6d18a7c9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_019dd105-99d4-733c-a49a-8c03765e8fab" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/SHAREBASEDCOMPENSATIONIssuanceofCommonStockRelatedtoExerciseofStockOptionsDetails" xlink:type="simple" xlink:href="asur-20260331.xsd#SHAREBASEDCOMPENSATIONIssuanceofCommonStockRelatedtoExerciseofStockOptionsDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/SHAREBASEDCOMPENSATIONIssuanceofCommonStockRelatedtoExerciseofStockOptionsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019dd105-99d4-7e50-89e7-a26a69cbb22e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019dd105-99d4-7a6b-813c-5880d1a48714" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019dd105-99d4-7e50-89e7-a26a69cbb22e" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019dd105-99d4-7a6b-813c-5880d1a48714" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_019dd105-99d4-7030-af49-eb34ad638d14" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019dd105-99d4-7a6b-813c-5880d1a48714" xlink:to="loc_us-gaap_AwardTypeAxis_019dd105-99d4-7030-af49-eb34ad638d14" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019dd105-99d4-7030-af49-eb34ad638d14_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_019dd105-99d4-7030-af49-eb34ad638d14" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019dd105-99d4-7030-af49-eb34ad638d14_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019dd105-99d4-7893-a260-62fafbd5b8e9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_019dd105-99d4-7030-af49-eb34ad638d14" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019dd105-99d4-7893-a260-62fafbd5b8e9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember_019dd105-99d4-713d-a285-9de8585b695e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PerformanceSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019dd105-99d4-7893-a260-62fafbd5b8e9" xlink:to="loc_us-gaap_PerformanceSharesMember_019dd105-99d4-713d-a285-9de8585b695e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_019dd105-99d4-7419-be10-015b1dd95e97" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019dd105-99d4-7e50-89e7-a26a69cbb22e" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_019dd105-99d4-7419-be10-015b1dd95e97" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_019dd105-99d4-7bc1-ab78-8f7dbe079ec5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019dd105-99d4-7e50-89e7-a26a69cbb22e" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_019dd105-99d4-7bc1-ab78-8f7dbe079ec5" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.asuresoftware.com/role/SEGMENTINFORMATIONDetails" xlink:type="simple" xlink:href="asur-20260331.xsd#SEGMENTINFORMATIONDetails"/>
  <link:definitionLink xlink:role="http://www.asuresoftware.com/role/SEGMENTINFORMATIONDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_019dd105-99d4-7aaa-b1e5-32514e42adb5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_019dd105-99d4-7239-b258-cc7b5cd2daf4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_019dd105-99d4-7aaa-b1e5-32514e42adb5" xlink:to="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_019dd105-99d4-7239-b258-cc7b5cd2daf4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_019dd105-99d4-7b35-9a76-43bc35c34d91" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_019dd105-99d4-7239-b258-cc7b5cd2daf4" xlink:to="loc_srt_ConsolidationItemsAxis_019dd105-99d4-7b35-9a76-43bc35c34d91" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019dd105-99d4-7b35-9a76-43bc35c34d91_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_019dd105-99d4-7b35-9a76-43bc35c34d91" xlink:to="loc_srt_ConsolidationItemsDomain_019dd105-99d4-7b35-9a76-43bc35c34d91_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019dd105-99d4-7a56-aaed-2775d16cc6b3" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_019dd105-99d4-7b35-9a76-43bc35c34d91" xlink:to="loc_srt_ConsolidationItemsDomain_019dd105-99d4-7a56-aaed-2775d16cc6b3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_019dd105-99d4-7562-8f59-45dcb0ee33d2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_019dd105-99d4-7a56-aaed-2775d16cc6b3" xlink:to="loc_us-gaap_OperatingSegmentsMember_019dd105-99d4-7562-8f59-45dcb0ee33d2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019dd105-99d4-74e8-9c9c-8c1455c3f5c4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_019dd105-99d4-7239-b258-cc7b5cd2daf4" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019dd105-99d4-74e8-9c9c-8c1455c3f5c4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019dd105-99d4-74e8-9c9c-8c1455c3f5c4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019dd105-99d4-74e8-9c9c-8c1455c3f5c4" xlink:to="loc_us-gaap_SegmentDomain_019dd105-99d4-74e8-9c9c-8c1455c3f5c4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019dd105-99d4-754c-bc22-ad109d396414" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019dd105-99d4-74e8-9c9c-8c1455c3f5c4" xlink:to="loc_us-gaap_SegmentDomain_019dd105-99d4-754c-bc22-ad109d396414" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_ReportableSegmentMember_019dd105-99d4-735e-95d4-65ac462c3e2a" xlink:href="asur-20260331.xsd#asur_ReportableSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019dd105-99d4-754c-bc22-ad109d396414" xlink:to="loc_asur_ReportableSegmentMember_019dd105-99d4-735e-95d4-65ac462c3e2a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019dd105-99d4-7e80-b49c-f101faca7bbb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_019dd105-99d4-7aaa-b1e5-32514e42adb5" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019dd105-99d4-7e80-b49c-f101faca7bbb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LaborAndRelatedExpense_019dd105-99d4-738e-8f94-50b419c458da" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LaborAndRelatedExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_019dd105-99d4-7aaa-b1e5-32514e42adb5" xlink:to="loc_us-gaap_LaborAndRelatedExpense_019dd105-99d4-738e-8f94-50b419c458da" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_NonCompensationRelatedExpense_019dd105-99d4-7dee-881c-ed1116a14acd" xlink:href="asur-20260331.xsd#asur_NonCompensationRelatedExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_019dd105-99d4-7aaa-b1e5-32514e42adb5" xlink:to="loc_asur_NonCompensationRelatedExpense_019dd105-99d4-7dee-881c-ed1116a14acd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_DeferredSoftwareAndSalesCommissionCosts_019dd105-99d4-7c4e-b91e-fdd556d6a797" xlink:href="asur-20260331.xsd#asur_DeferredSoftwareAndSalesCommissionCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_019dd105-99d4-7aaa-b1e5-32514e42adb5" xlink:to="loc_asur_DeferredSoftwareAndSalesCommissionCosts_019dd105-99d4-7c4e-b91e-fdd556d6a797" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_019dd105-99d4-7032-b161-1b763b2ec08c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_019dd105-99d4-7aaa-b1e5-32514e42adb5" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_019dd105-99d4-7032-b161-1b763b2ec08c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingOtherItemAmount_019dd105-99d4-724d-aa25-a2c61ef6d66d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingOtherItemAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_019dd105-99d4-7aaa-b1e5-32514e42adb5" xlink:to="loc_us-gaap_SegmentReportingOtherItemAmount_019dd105-99d4-724d-aa25-a2c61ef6d66d" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_asur_SegmentReportingProfitLossMeasureTotalExpenses_019dd105-99d4-7f98-8e89-5e0fe453eae2" xlink:href="asur-20260331.xsd#asur_SegmentReportingProfitLossMeasureTotalExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_019dd105-99d4-7aaa-b1e5-32514e42adb5" xlink:to="loc_asur_SegmentReportingProfitLossMeasureTotalExpenses_019dd105-99d4-7f98-8e89-5e0fe453eae2" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019dd105-99d4-71a7-a0c6-64a63135dfde" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_019dd105-99d4-7aaa-b1e5-32514e42adb5" xlink:to="loc_us-gaap_NetIncomeLoss_019dd105-99d4-71a7-a0c6-64a63135dfde" xlink:type="arc" order="7"/>
  </link:definitionLink>
</link:linkbase>