meaning of impeachment
1. The act of impeaching, or the state of being impeached
2. Hindrance; impediment; obstruction.
3. A calling to account; arraignment; especially, of a public officer for maladministration.
4. A calling in question as to purity of motives, rectitude of conduct, credibility, etc. ; accusation; reproach; as, an impeachment of motives.
5. a formal document charging a public official with misconduct in office