- the impeaching of a public official before an appropriate tribunal.
- (in Congress or a state legislature) the presentation of formal charges against a public official by the lower house, trial to be before the upper house.
- demonstration that a witness is less worthy of belief.
- the act of impeaching.
- the state of being impeached.
- (in England) committal by the House of Commons, esp of a minister of the Crown, for trial by the House of Lords. The last instance occurred in 1805
- (in the US) a proceeding brought against a federal government official
- an accusation or charge
- discredit; reproach