/ Dictionary / Index P Proust: Meaning and Definition of Find definitions for: Proust Pronunciation: (prst Fr. prst), [key] — n. 1754–1826, French chemist. 1871–1922, French novelist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: proust (Thesaurus) Proudhon Proustian Related Content Daily Word Quiz: entomology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language