/ Dictionary / Index S slickster: Meaning and Definition of Find definitions for: slick•ster Pronunciation: (slik'stur), [key] — n. Slang. a crafty and opportunistic or deceitful person; hustler; swindler. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. slickrock slide Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language