- knowingly tell an untruth in a legal court and render oneself guilty of perjury
- Perjury, also known as forswearing, is the willful act of swearing a false oath or affirmation to tell the truth, whether spoken or in writing, concerning matters material to a judicial proceeding. ...
- To knowingly and willfully make a false statement of witness while in court
- (perjured) testified falsely under oath; falsified; untrue