impugn verb - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of impugn verb from the Oxford Advanced American Dictionary

impugn

verb

NAmE//ɪmˈpyun//

impugn something (formal)Verb Forms present simple I / you / we / they impugn

he / she / it impugns

past simple impugned

-ing form impugning

to express doubts about whether something is right, honest, etc. synonym challenge There were no real grounds for impugning the decision.

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