/ Dictionary / Index S sympathetectomy: Meaning and Definition of Find definitions for: sym•path•e•tec•to•my Pronunciation: (sim-path"i-tek'tu-mē), [key] — pl. -mies. sympathectomy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sympathectomy sympathetic 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