[{"Bold_text": "verb (used with object)", "List Items": ["to accuse (a public official) before an appropriate tribunal of misconduct in office.", "Chiefly Law.to challenge the credibility of:to impeach a witness.", "to bring an accusation against.", "to call in question; cast an imputation upon:to impeach a person's motives.Synonyms: impugn , challenge , question", "to call to account."]}, {"Bold_text": "noun", "List Items": ["Obsolete. impeachment ."]}]