/ Dictionary / Index S sympatholytic: Meaning and Definition of Find definitions for: sym•pa•tho•lyt•ic Pronunciation: (sim"pu-thō-lit'ik), [key] — adj. Physiol., opposing the effects of stimulation of the sympathetic nervous system. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sympathizer sympathomimetic Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language