Liberal Dictionary English Dictionary
noun, plural a·pos·ta·sies.
- a total desertion of or departure from one’s religion, principles, party, cause, etc.
noun plural -sies
- abandonment of one’s religious faith, party, a cause, etc
late 14c., “renunciation, abandonment or neglect of established religion,” from Latin apostasia, from later Greek apostasia, from apostasis “revolt, defection,” literally “a standing off” (see apostate). General (non-religious) sense is attested from 1570s.