1. (

• repudiation ,
• renunciation ,

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

2. (

• apostasy ,
• renunciation ,
• defection

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

3. (

• renunciation ,
• renouncement

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

4. (

• renunciation ,
• forgoing ,
• forswearing

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