/ Dictionary / Index S supremum: Meaning and Definition of Find definitions for: su•pre•mum Pronunciation: (su-prē'mum, soo-), [key] — n. Math. SeeAlso called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. supremo Supt. Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language