Call into question the integrity or validity of (a practice).
British: Charge (someone) with treason or another crime against the state.
US: Charge (the holder of a public office) with misconduct.
“The most popular tactic is to impeach the credibility of the victim.”
“The physician’s testimony might be impeached, and the report thereby discredited.”
Something or someone that one vehemently dislikes/ A strong curse.
Early 16th century: from ecclesiastical Latin, ‘excommunicated person, excommunication’, from Greek anathema ‘thing dedicated’, (later) ‘thing devoted to evil, accursed thing’, from anatithenai ‘to set up’.