An Accomplice
- (law) An associate in the commission of a crime; a participator in an offense, whether a principal or an accessory. Accomplice - Wikipedia
- (rare) A cooperator.
Usage notes
- Followed by with or of before a person and by in or to (or sometimes of) before the crime; as, "A was an accomplice with B in the murder of C"; or, "D was an accomplice to murder".