defection
NounWordNet 3.0
Noun (2)
- withdrawing support or help despite allegiance or responsibility“his abandonment of his wife and children left them penniless”Synonyms: desertionabandonment
- the state of having rejected your religious beliefs or your political party or a cause (often in favor of opposing beliefs or causes)Synonyms: apostasyrenunciation
Webster's Dictionary (GCIDE)
Defection \De*fec"tion\, n. [L. defectio: cf. F. d['e]fection. See Defect.] Act of abandoning a person or cause to which one is bound by allegiance or duty, or to which one has attached himself; desertion; failure in duty; a falling away; apostasy; backsliding. "Defection and falling away from God." --Sir W. Raleigh. [1913 Webster]
The general defection of the whole realm. --Sir J. Davies. [1913 Webster]