/ Dictionary / Index S super-smooth: Meaning and Definition of Find definitions for: su•per-smooth Pronunciation: (s'pur-sm'), [key] — adj. dead-smooth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. supersession supersonic Related Content Daily Word Quiz: meritocracy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language