impugn
verb (formal)- impugn something
to express doubts about whether something is right, honest, etc. synonym challenge對…表示懷疑;質疑 There were no real grounds for impugning the decision. 沒有真正的理由質疑這個決定。
Oxford Collocations DictionaryImpugn is used with these nouns as the object:- integrity
- motive
Word Originlate Middle English (also in the sense ‘assault, attack physically’): from Latin impugnare ‘assail’, from in- ‘towards’ + pugnare ‘fight’.