negation Synonyms

rejection dissent contradiction rebuttal refusal cancellation disproof invalidation inverse disavowal annulment refutation repudiation abrogation nullification denial repeal reverse refutal redargution nonconformity nonexistence nullity opposite opposition pasteboard protest recantation nonacceptance renouncement renunciation counterargument enantiomorphism deracination turndown counterstatement negativation traversal nonoccurrence voidance voiding reductio ad absurdum rescinding rescindment rescission retraction reversal revocation veto abjuration