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antipsychotic

American  
[an-tee-sahy-kot-ik, an-tahy-] / ˌæn ti saɪˈkɒt ɪk, ˌæn taɪ- /

adjective

  1. of or relating to any of various substances used in the treatment of psychosis, especially schizophrenia, and acute or severe states of mania, depression, or paranoia.


noun

  1. Also called neuroleptic, major tranquilizer. any such substance, as the phenothiazines.

antipsychotic British  
/ ˌæntɪsaɪˈkɒtɪk /

adjective

  1. preventing or treating psychosis

"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

noun

  1. any antipsychotic drug, such as chlorpromazine: used to treat such conditions as schizophrenia

"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

Etymology

Origin of antipsychotic

First recorded in 1950–55; anti- + psychotic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The team also examined an FDA-approved antipsychotic drug that is capable of increasing PP2A activity.

From Science Daily ● Sep. 6, 2026

In that case, Judge Keith Ellison defined “heat-sensitive” broadly, covering people taking antipsychotic, anticholinergic, or diuretic drugs, along with anyone diagnosed with psychiatric conditions, obesity, diabetes, or hypertension, among other things.

From Slate ● Jul. 31, 2026

Effective antipsychotic medications, they argued, were those that blocked these dopamine receptors.

From The Wall Street Journal ● Jul. 28, 2026

Defence counsel Ian Duguid KC said Manners was currently getting antipsychotic medication and told the court: "Whatever personality disorder he is afflicted with it is not one that affects his responsibility for the crime."

From BBC ● Jul. 17, 2026

An assortment of antipsychotic medicines was prescribed, and he improved gradually—but never enough, apparently, to merit discharge.

From "The Gene" by Siddhartha Mukherjee

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