Synonyms of gainsay in English:

gainsay


See definition of gainsay

verb

1‘it was difficult to gainsay his claim’

SYNONYMS

deny, dispute, disagree with, argue with, dissent from, contradict, repudiate, declare untrue, challenge, oppose, contest, counter, fly in the face of

disprove, debunk, explode, discredit, refute, rebut, brush aside

informal shoot full of holes

disaffirm

rare controvert, confute

ANTONYMS

confirm