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, shoot down, shoot down in flames
disaffirm
rare controvert, confute
ANTONYMS

confirm