disaffirm

to declare not to be true <her sullen mood disaffirmed her repeated protestations that everything was just fine> Synonyms contradict, deny, disallow, disavow, disclaim, disconfirm, disown, gainsay, negate, negative, refute, reject, repudiateRelated Words traverse; challenge, confute, disprove, rebut; disagree (with), disputeNear Antonyms accept, adopt, embrace, espouse; affirm, announce, assert, aver, claim, declare, maintain, profess, submit; authenticate, corroborate, substantiate, validate, verifyAntonyms acknowledge, admit, allow, avow, concede, confirm, own