/ Dictionary / Index D dapper: Meaning and Definition of Find definitions for: dap•per Pronunciation: (dap'ur), [key] — adj. neat; trim; smart: He looked very dapper in his new suit. lively and brisk: to walk with a dapper step. small and active. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dapper (Thesaurus) Da Ponte dapple Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language