Gainsay

Antonyms for gainsay:

acknowledge, certify, avow, attest, verify, validate, authenticate, concede, affirm, corroborate, maintain, agree, profess, allow, declare, admit, harmonize, avouch, assert, substantiate, aver.

Synonyms for gainsay:

Sense 1 (noun)

disclaim, refute, repudiate, deny.

Sense 2 (noun)

controvert, oppose.

gainsay (noun)

challenge, dispute.

contradict (verb)

disclaim, contravene, negate, impugn, Disaffirm, traverse, repudiate, dispute, oppose, deny, refute, controvert, negative.

disprove (verb)

refute.

question (verb)

impugn.

Sense 1

oppugn, oppose, Disaffirm.

Sense 2

belie, contradict.

Sense 3

contravene, controvert.

Sense 4

negate, negative.

Sense 7

traverse.

contradict

deny.

deny

disclaim.

disprove

belie.

reject

disavow.

Usage examples for gainsay:

• One of those present remarked impatiently that a person with such sentiments could not live in Norfolk, and this feeling was evidently shared by the bystanders; there was, indeed, some danger, in those excited moments, of personal violence to those who dared gainsay the popular passion. - "Admiral Farragut", A. T. Mahan.
• I would not gainsay you, Captain. - "The Measure of a Man", Amelia Edith Huddleston Barr.