noun hindrance; impediment; obstruction.
2. impeachment ·noun the act of impeaching, or the state of being impeached.
3. impeachment ·noun a calling to account; arraignment; especially, of a public officer for maladministration.
4. impeachment ·noun a calling in question as to purity of motives, rectitude of conduct, credibility, ·etc.; accusation; reproach; as, an impeachment of motives.