What is the meaning of renunciation?

noun

• Rejecting or disowning or disclaiming as invalid.
  • usage: "Congressional repudiation of the treaty that the President had negotiated"
  • synonyms: repudiation
• The state of having rejected your religious beliefs or your political party or a cause (often in favor of opposing beliefs or causes.
  • synonyms: apostasy, defection
• An act (spoken or written) declaring that something is surrendered or disowned.
  • synonyms: renouncement
• The act of renouncing; sacrificing or giving up or surrendering (a possession or right or title or privilege etc.. ).
  • synonyms: forgoing, forswearing