/ Dictionary / Index S supercede: Meaning and Definition of Find definitions for: su•per•cede Pronunciation: (s"pur-sēd'), [key] — -ced•ed, -ced•ing. supersede. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: supercede (Thesaurus) supercargo supercharge Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language