Impugn

مترادف و متضاد impugn

1. verb criticize, challenge
   Synonyms: assail, attack, blast, break, call into question, cast aspersions upon, cast doubt upon, come down on, contradict, contravene, cross, cut to shreds, deny, disaffirm, dispute, gainsay, knock, negate, negative, oppose, pin something on, put down, question, resist, run down, skin alive, slam, smear, stick it to, swipe at, tar, throw doubt on, throw the book at, thumb nose at, traduce, trash, traverse, zap, zing
   Antonyms: flatter, praise