/ Dictionary / Index S succès fou*: Meaning and Definition of Find definitions for: suc•cès fou Pronunciation: (syk-se f'), [key] — French. French. an extraordinarily great success. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. succès d'estime* success Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language