Etymology
Advertisement

apostasy (n.)

late 14c., apostasie, "renunciation, abandonment or neglect of established religion," from Late Latin apostasia, from later Greek apostasia for earlier apostasis "revolt, defection," literally "a standing off," from apostanai "to stand away" (see apostate (n.)). The general (non-religious) sense of "abandonment of what one has professed" is attested from 1570s.

updated on September 23, 2022

Advertisement
Advertisement
Definitions of apostasy from WordNet

apostasy (n.)
the state of having rejected your religious beliefs or your political party or a cause (often in favor of opposing beliefs or causes);
Synonyms: renunciation / defection
apostasy (n.)
the act of abandoning a party for cause;
Synonyms: tergiversation
Etymologies are not definitions. From wordnet.princeton.edu, not affiliated with etymonline.