/ Dictionary / Index S smasher: Meaning and Definition of Find definitions for: smash•er Pronunciation: (smash'ur), [key] — n. a person or thing that smashes. a person or thing that is excellent, impressive, extraordinary, or the like: That new off-Broadway show is a real smasher. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: smasher (Thesaurus) smashed smash hit Related Content Daily Word Quiz: meritocracy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language