Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun apostasy

2 senses of apostasy

Sense 1
apostasy, renunciation, defection -- (the state of having rejected your religious beliefs or your political party or a cause (often in favor of opposing beliefs or causes))
       => rejection -- (the state of being rejected)

Sense 2
apostasy, tergiversation -- (the act of abandoning a party for cause)
       => abandonment, forsaking, desertion -- (the act of giving something up)