apostasy

[ uh-pos-tuh-see ]
/ əˈpɒs tə si /

noun, plural a·pos·ta·sies.

a total desertion of or departure from one's religion, principles, party, cause, etc.

Origin of apostasy

1350–1400; Middle English apostasye (< Anglo-French) < Late Latin apostasia < Greek: a standing away, withdrawing, equivalent to apóstas(is) (apo- apo- + sta- stand + -sis -sis) + -ia -ia
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British Dictionary definitions for apostasy

apostasy

/ (əˈpɒstəsɪ) /

noun plural -sies

abandonment of one's religious faith, party, a cause, etc

Word Origin for apostasy

C14: from Church Latin apostasia, from Greek apostasis desertion, from apostanai to stand apart from, desert
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012