1. (n.) One who disclaims, disowns, or renounces.

2. (n.) A denial, disavowal, or renunciation, as of a title, claim, interest, estate, or trust; relinquishment or waiver of an interest or estate.

3. (n.) A public disavowal, as of pretensions, claims, opinions, and the like.

abjuration abjurement abnegation abrogation absolute contradiction annulment contradiction contrary assertion contravention controversion countering crossing declension declination declinature declining denial deprivation disaffirmation disagreement disallowance disavowal disclamation disobedience disowning disownment disproof dissent expatriation forswearing gainsaying holding back impugnment nay negation negative negative answer nix no nonacceptance noncompliance nonconsent nonobservance nullification palinode palinody recantation refusal refutation rejection reneging renouncement renunciation repudiation retention retractation retraction revocation revokement thumbs-down turndown unsaying unwillingness withdrawal withholding