/ Dictionary / Index S Sondheim: Meaning and Definition of Find definitions for: Sond•heim Pronunciation: (sond'hīm), [key] born 1930, U.S. composer and lyricist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sondheim (Thesaurus) Sonderkommando Sondra Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language