/ Dictionary / Index S slippy: Meaning and Definition of Find definitions for: slip•py Pronunciation: (slip'ē), [key] — -pi•er, -pi•est. slippery. quick; alert; sharp. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: slippy (Thesaurus) slippery slope slip-rail Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language