Definition of "Renunciation" :

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

noun: rejecting or disowning or disclaiming as invalid

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

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