impeach

fe’l verb

1. To bring a legal proceeding against a public official. President Clinton was impeached by the House in November 1999, but since the Senate acquitted him, he was not removed from office.
2. To hinder, impede, or prevent.
3. To charge with impropriety; to discredit; to call into question.
4. To demonstrate in court that a testimony under oath contradicts another testimony from the same person, usually one taken during deposition.