- Medicine/Medical. a sedative.Compare stimulant(def 1).
- Chemistry. any agent capable of diminishing a specific property of a substance.
Origin of depressant
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for depressant
Some presenters claim that qat is like heroin, a depressant.Chinese Getting Hooked on the Middle East's Favorite Drug
October 20, 2014
He is stimulant, irritant, but there is no depressant reaction from him.The Critical Game
John Albert Macy
But on account of this depressant action it is to be avoided for women and children and rarely used for men.
It is a stimulant, not a depressant, as is the tepid bath, and it is safer than the cold bath.
Depressant as black life- preservers its two extra tires gleamed and dripped in their jetty enamel-cloth casings.Rainy Week
Eleanor Hallowell Abbott
Ten years ago many good authorities still ranked alcohol as a stimulant; now, almost all rank it as a depressant.Alcohol: A Dangerous and Unnecessary Medicine, How and Why
Martha M. Allen
- med able to diminish or reduce nervous or functional activity
- causing gloom or dejection; depressing
- a depressant drug
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
Word Origin and History for depressant
Online Etymology Dictionary, © 2010 Douglas Harper
- Tending to lower the rate of vital physiological activities.
- An agent, especially a drug, that decreases the rate of vital physiological activities.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.