antidepressant

1 of 2

adjective

an·​ti·​de·​pres·​sant ˌan-tē-di-ˈpre-sᵊnt How to pronounce antidepressant (audio) ˌan-ˌtī- How to pronounce antidepressant (audio)
Synonyms of antidepressantnext
: used or tending to relieve or prevent depression
antidepressant drugs

antidepressant

2 of 2

noun

Examples of antidepressant in a Sentence

Recent Examples on the Web
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Adjective
In general, it is estimated that about 1 in 6 people who discontinue their antidepressant experiences adverse symptoms. The New York Times News Service Syndicate, San Diego Union-Tribune, 27 Jan. 2026 When Zeko first sought help in 2011, her doctor prescribed the antidepressant bupropion, which Zeko took on and off for several years. Cnn.com Wire Service, Mercury News, 15 Jan. 2026
Noun
One spring in particular showed traces of several pharmaceuticals, including an antibiotic, an antifungal, an anticonvulsant, an antidepressant, and a diabetic drug. Owen Clarke, Outside, 9 Jan. 2026 Key Takeaways Coffee can interfere with how your body absorbs or reacts to many common medications, including antidepressants, anticoagulants, and thyroid drugs. Carrie Madormo, Verywell Health, 7 Jan. 2026 See All Example Sentences for antidepressant

Word History

First Known Use

Adjective

1961, in the meaning defined above

Noun

1962, in the meaning defined above

Time Traveler
The first known use of antidepressant was in 1961

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Cite this Entry

“Antidepressant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/antidepressant. Accessed 2 Feb. 2026.

Medical Definition

antidepressant

1 of 2 adjective
an·​ti·​de·​pres·​sant ˌant-i-di-ˈpres-ᵊnt, ˌan-ˌtī- How to pronounce antidepressant (audio)
variants also antidepressive
: used or tending to relieve or prevent psychological depression : relating to, being, or utilizing an antidepressant
an antidepressant drug
antidepressant treatment

antidepressant

2 of 2 noun
variants also antidepressive
: a drug used to treat psychological depression : an antidepressant drug
The dual-action antidepressant venlafaxine appears to demonstrate superior efficacy and higher rates of remission in severe depression as compared with either SSRIs such as fluoxetine or tricyclic antidepressants.John Mann, The New England Journal of Medicine

called also energizer, psychic energizer, psychostimulant

see tricyclic antidepressant
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