Definition of impeach verb from the Oxford Advanced American Dictionary



    Verb Forms present simple I / you / we / they impeach
    he / she / it impeaches
    past simple impeached
    -ing form impeaching
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  1. 1impeach somebody (for something) (of a court or other official body, especially in the U.S.) to charge an important public figure with a serious crime
  2. 2impeach something (formal) to raise doubts about something synonym question to impeach someone's motives
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noun [uncountable, countable]
See the Oxford Advanced Learner's Dictionary entry: impeach