/ Dictionary / Index H hit man: Meaning and Definition of Find definitions for: hit' man" Pronunciation: [key] — Slang. Slang. a hired killer, esp. a professional killer from the underworld. See(def. 3). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hitman (Thesaurus) hit list hit-or-miss Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language