impeach

1 to make a claim of wrongdoing against <the company's president has been impeached by the Securities and Exchange Commission> Synonyms charge, criminate, defame [archaic], accuse, incriminate, indictRelated Words blame, call (on), castigate, censure, condemn, criticize, damn, denounce, fault, impugn, reproach, reprobate; chide, rebuke, reprove, tax; appeal, arraign, book, cite, summon; prosecute, sue, try; frame, implicate, inculpate, inform (against), name, report; recriminate, retaliateNear Antonyms advocate, champion, defend; excuse, forgive, justify, pardon, remit, shriveAntonyms absolve, acquit, clear, exculpate, exonerate, vindicate

2 to demand proof of the truth or rightness of <questionable methodology that should cause us to impeach the findings of this survey on obesity> Synonyms contest, dispute, challenge, oppugn, query, questionRelated Words doubt, mistrust; kick (about), object (to), protest; combat, fight, oppose, resistNear Antonyms back, defend, support; advocate, champion, promote; abide, endure, stomach, tolerateAntonyms accept, believe, embrace, swallow