/ Dictionary / Index S Sup. Ct.: Meaning and Definition of Find definitions for: Sup. Ct. Pronunciation: [key] Superior Court. Supreme Court. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sup supe Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language