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depressant

[ dih-pres-uhnt ]
/ dɪˈprɛs ənt /
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adjective
Medicine/Medical. having the quality of depressing or lowering the vital activities; sedative.
causing a lowering in spirits; dejecting.
causing a drop in value; economically depressing.
noun
Medicine/Medical. a sedative.Compare stimulant (def. 1).
Chemistry. any agent capable of diminishing a specific property of a substance.
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Origin of depressant

First recorded in 1875–80; depress + -ant
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use depressant in a sentence

British Dictionary definitions for depressant

depressant
/ (dɪˈprɛsənt) /

adjective
med able to diminish or reduce nervous or functional activity
causing gloom or dejection; depressing
noun
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

Medical definitions for depressant

depressant
[ dĭ-prĕsənt ]

adj.
Tending to lower the rate of vital physiological activities.
n.
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.
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