/ Dictionary / Index S scummy: Meaning and Definition of Find definitions for: scum•my Pronunciation: (skum'ē), [key] — -mi•er, -mi•est. consisting of or having scum. despicable; contemptible: That was a scummy trick. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: scummy (Thesaurus) scumboard scuncheon Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language