/ Dictionary / Index S Supt.: Meaning and Definition of Find definitions for: Supt. Pronunciation: [key] superintendent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. supremum supvr. 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