/ Dictionary / Index S stunner: Meaning and Definition of Find definitions for: stun•ner Pronunciation: (stun'ur), [key] — n. a person or thing that stuns. a person or thing of striking excellence, beauty, achievement, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: stunner (Thesaurus) stunk stunning Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language