/ Dictionary / Index S slubber: Meaning and Definition of Find definitions for: slub•ber Pronunciation: (slub'ur), [key] — v.t. to perform hastily or carelessly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. slub sludge Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language