01 n. An abandonment of what one has voluntarily professed; a total desertion of departure from one's faith, principles, or party; esp., the renu…
pl.
Apostasies
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1.
An abandonment of what one has voluntarily professed; a total desertion of departure from one's faith, principles, or party; esp., the renunciation of a religious faith; as, Julian's apostasy from Christianity.