/ Dictionary / Index S sluff: Meaning and Definition of Find definitions for: sluff Pronunciation: (sluf), [key] — n., v.t., v.i. slough. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. slue slug Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language