/ Dictionary / Index S sym-: Meaning and Definition of Find definitions for: sym- Pronunciation: [key] var. ofbefore b, p, m: symbol; symphony; symmetry. sym. Pronunciation: [key] symbol. symmetrical. symphony. symptom. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sylvite Symbionese Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language