/ Dictionary / Index S symptom: Meaning and Definition of Find definitions for: symp•tom Pronunciation: (simp'tum), [key] — n. any phenomenon or circumstance accompanying something and serving as evidence of it. a sign or indication of something. a phenomenon that arises from and accompanies a particular disease or disorder and serves as an indication of it. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: symptom (Thesaurus) symposium symptomatic 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