/ɪmˈpi:tʃ ||; ɪmˈpitʃ/verb [T] impeach sb (for sth) (used about a court of law, especially in the US 用于法庭，尤指美国的) to officially accuse a public official of committing a serious crime while he/she is still in office 弹劾（犯重罪的在职官员） ➔impeachment noun [U] [C]