Available Definitions:
1) n. - The act of impeaching, or the state of being impeached
2) n. - Hindrance; impediment; obstruction.
3) n. - A calling to account; arraignment; especially, of a public officer for maladministration.
4) n. - A calling in question as to purity of motives, rectitude of conduct, credibility, etc.; accusation; reproach; as, an impeachment of motives.