impugn
5 antonyms for impugn — opposites grouped by meaning.
Verb — To attack or assault someone or something.
Antonyms
Etymology
Borrowed from Middle French impugner, from Latin impugnō, formed from im- + pugnō ("fight"), from pugnus ("fist") — the same root as in English pugilism ("fighting with fists, boxing").
Full origin of impugn →