/ Dictionary / Index D dastard: Meaning and Definition of Find definitions for: das•tard Pronunciation: (das'turd), [key] — n. a mean, sneaking coward. —adj. of or befitting a dastard; mean, sneaky, and cowardly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dastard (Thesaurus) dast dastardly Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language