/ Dictionary / Index S symphonist: Meaning and Definition of Find definitions for: sym•pho•nist Pronunciation: (sim'fu-nist), [key] — n. a composer who writes symphonies. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: symphonist (Thesaurus) symphonious symphonize Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language