• noun:   the act of renouncing; sacrificing or giving up or surrendering (a possession or right or title or privilege etc.)
• noun:   an act (spoken or written) declaring that something is surrendered or disowned
• noun:   rejecting or disowning or disclaiming as invalid
• noun:   the state of having rejected your religious beliefs or your political party or a cause (often in favor of opposing beliefs or causes)

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