Dictionary.com
definitions

sympatholytic

[sim-puh-thoh-lit-ik]

adjective Physiology, Pharmacology.

opposing the effects of stimulation of the sympathetic nervous system.
Compare cholinolytic.

Origin of sympatholytic

First recorded in 1940–45; sympath(etic) + -o- + -lytic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for sympatholytic

sympatholytic

adjective

  1. inhibiting or antagonistic to nerve impulses of the sympathetic nervous system
  2. of or relating to such inhibition

noun

a sympatholytic drugCompare sympathomimetic

Word Origin for sympatholytic

C20: from sympath (etic) + -lytic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medicine definitions for sympatholytic

sympatholytic

[sĭm′pə-thō-lĭt′ĭk]

adj.

Opposing the physiological effects caused by stimulation of the sympathetic nervous system.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.