accomplice /əˈkɔmplis/ n. ［c］同谋者，帮凶：She was her husband's accomplice in murdering a rich old man.她是她丈夫谋杀一个老富翁的帮凶。The thief was not alone.We know he had an accomplice.那小偷不是一个人，我们知道他还有个同谋。