/ Dictionary / Index A asymptomatic: Meaning and Definition of Find definitions for: a•symp•to•mat•ic Pronunciation: (ā-simp"tu-mat'ik, ā"simp-), [key] — adj. showing no evidence of disease. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: asymptomatic (Thesaurus) asymmetry asymptote Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language