/ Dictionary / Index S symphonize: Meaning and Definition of Find definitions for: sym•pho•nize Pronunciation: (sim'fu-nīz"), [key] — -nized, -niz•ing. to play or sound together harmoniously. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: symphonize (Thesaurus) symphonist symphony 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