rejecting or disowning or disclaiming as invalid; Congressional repudiation of the treaty that the President had negotiated

[ Syn: repudiation ]

the state of having rejected your religious beliefs or your political party or a cause (often in favor of opposing beliefs or causes)

[ Syn: apostasy , defection ]

an act (spoken or written) declaring that something is surrendered or disowned

[ Syn: renouncement ]

the act of renouncing; sacrificing or giving up or surrendering (a possession or right or title or privilege etc.)

[ Syn: forgoing , forswearing ]