noun rejecting or disowning or disclaiming as invalid.
— synonyms: repudiation
noun 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
noun an act (spoken or written) declaring that something is surrendered or disowned.
— synonyms: renouncement
noun the act of renouncing.
— synonyms: forgoing, forswearing
Examples
“The President's renunciation of the treaty has upset Congress.”
“The bishop's renunciation was on account of his ill health.”