antipsychotic

noun

an·​ti·​psy·​chot·​ic ˌan-tē-sī-ˈkä-tik How to pronounce antipsychotic (audio)
ˌan-tī-
: any of the powerful tranquilizers (such as the phenothiazines and butyrophenones) used especially to treat psychosis and believed to act by blocking dopamine nervous receptors

called also neuroleptic

antipsychotic adjective

Examples of antipsychotic 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.
Who is prescribing antipsychotics to people with dementia? Theresa Gaffney, STAT, 29 Apr. 2026 When symptoms like anxiety, mood changes, or behavioral issues become difficult to manage, antidepressants or antipsychotics may be used.1415 A psychiatrist typically prescribes these medications alongside behavioral therapy. Health, 15 Apr. 2026 Additionally, people on certain medications, including some antidepressants and antipsychotics, can have trouble regulating temperature, according to the Centers for Disease Control and Prevention. Mary Kekatos, ABC News, 20 Mar. 2026 Some studies show antipsychotics could limit violent outcomes in patients, but more research is needed to determine whether meds can reduce violence to the same level as the general population. David Oliver, USA Today, 23 Dec. 2025 See All Example Sentences for antipsychotic

Word History

First Known Use

1958, in the meaning defined above

Time Traveler
The first known use of antipsychotic was in 1958

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Cite this Entry

“Antipsychotic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/antipsychotic. Accessed 18 May. 2026.

Medical Definition

antipsychotic

1 of 2 adjective
an·​ti·​psy·​chot·​ic ˌant-i-sī-ˈkät-ik, ˌan-ˌtī- How to pronounce antipsychotic (audio)
: of, being, or involving the use of an antipsychotic
antipsychotic drugs

antipsychotic

2 of 2 noun
: any of the powerful tranquilizers (as the phenothiazines or butyrophenones) used especially to treat psychosis and believed to act by blocking dopamine nervous receptors

called also neuroleptic

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