hit man
From Longman Dictionary of Contemporary EnglishRelated topics: Crimehit manˈhit man noun [countable] SCCa criminal who is employed to kill someone SYN assassinExamples from the Corpushit man• Maybe somebody employed a hit man.• Valle said he found the incriminating letter in the home of the hit man.• The hit man, however, turned out to be an informer for the Arizona Department of Public Safety.