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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for sympatholytic



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


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




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.