Breadcrumb Home > Dictionary > Index S succedaneum: Meaning and Definition of Find definitions for: suc•ce•da•ne•um Pronunciation: (suk"si-dā'nē-um), [key] — pl. -ne•a a substitute. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: succedaneum (Thesaurus) succah* succedent ✖ Related Content Daily Word Quiz: tatterdemalion Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language