Breadcrumb Home > Dictionary > Index S smash hit: Meaning and Definition of Find definitions for: smash' hit' Pronunciation: [key] a person or thing that is overwhelmingly successful or popular: Both the play and the movie based on it were smash hits. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. smasher smashing ✖ Related Content Daily Word Quiz: quadrumanous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language