The definition of an apostasy is the act of leaving behind, or straying from, your religious or political beliefs or your principles.noun
An example of apostasy is when someone decides to become atheist.YourDictionary definition and usage example. Copyright © 2013 by LoveToKnow Corp.
noun pl. apostasies
Origin: ME apostasie < LL(Ec) apostasia < Gr apo-, away + stasis, a standing: see stasis
Used by arrangement with John Wiley & Sons, Inc.
noun pl. a·pos·ta·sies
Origin: Middle English apostasie, from Old French, from Late Latin apostasia, defection, from Late Greek apostasiā, from Greek apostasis, revolt, from aphistanai, aposta-, to revolt : apo-, apo- + histanai, to stand, place; see stā- in Indo-European roots.