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BNC: 25787 COCA: 22652

impugn

verb
/ɪmˈpjuːn/
/ɪmˈpjuːn/
(formal)
Verb Forms
present simple I / you / we / they impugn
/ɪmˈpjuːn/
/ɪmˈpjuːn/
he / she / it impugns
/ɪmˈpjuːnz/
/ɪmˈpjuːnz/
past simple impugned
/ɪmˈpjuːnd/
/ɪmˈpjuːnd/
past participle impugned
/ɪmˈpjuːnd/
/ɪmˈpjuːnd/
-ing form impugning
/ɪmˈpjuːnɪŋ/
/ɪmˈpjuːnɪŋ/
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  1. impugn something to express doubts about whether something is right, honest, etc.对…表示怀疑;质疑 synonym challenge
    • There were no real grounds for impugning the decision.没有真正的理由质疑这个决定。
    Oxford Collocations DictionaryImpugn is used with these nouns as the object:
    • integrity
    • motive
    See full entry
    Word Originlate Middle English (also in the sense ‘assault, attack physically’): from Latin impugnare ‘assail’, from in- ‘towards’ + pugnare ‘fight’.

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