con·fed·e·rate /kənˈfedərət/ noun [countableC] 1 formalHELP someone who helps someone else do something, especially something secret or illegal 共犯,同谋,同伙,党羽 SYN accomplice The young woman was his confederate, of course. 这个年轻女子当然是他的同谋。
—confederate adjectiveadj