depressant

noun

de·​pres·​sant di-ˈpre-sᵊnt How to pronounce depressant (audio)
dē-
Synonyms of depressantnext
: one that depresses
specifically : an agent that reduces a bodily functional activity or an instinctive desire (such as appetite)
depressant adjective

Examples of depressant in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
And while other medications prescribed for anxiety, like certain anti-depressants, can take weeks to work, propranolol can take effect within an hour. The Week Uk, TheWeek, 22 Apr. 2026 As a respiratory depressant, the drug likely contributed to his death, Lucas noted. Kelly Davis, San Diego Union-Tribune, 7 Apr. 2026 The products are derived from a Southeast Asian tree that has stimulant properties at low doses but acts as a depressant at high doses. Paul Flahive, Austin American Statesman, 1 Apr. 2026 How Alcohol Affects Drivers Alcohol is a depressant that affects the central nervous system. Fort Worth Star-Telegram, 10 Mar. 2026 See All Example Sentences for depressant

Word History

First Known Use

1824, in the meaning defined above

Time Traveler
The first known use of depressant was in 1824

Browse Nearby Words

Cite this Entry

“Depressant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/depressant. Accessed 28 Apr. 2026.

Kids Definition

depressant

noun
de·​pres·​sant di-ˈpres-ᵊnt How to pronounce depressant (audio)
: a substance (as a drug) that reduces the activity of bodily systems
depressant adjective

Medical Definition

depressant

1 of 2 adjective
de·​pres·​sant -ᵊnt How to pronounce depressant (audio)
: tending to depress
especially : lowering or tending to lower functional or vital activity
a drug with a depressant effect on heart rate

depressant

2 of 2 noun
: one that depresses
specifically : an agent that reduces bodily functional activity or an instinctive desire (as appetite)
a depressant of intestinal spasm
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