psychosis

noun
psy·​cho·​sis | \ sī-ˈkō-səs How to pronounce psychosis (audio) \
plural psychoses\ sī-​ˈkō-​ˌsēz How to pronounce psychosis (audio) \

Definition of psychosis

: a serious mental illness (such as schizophrenia) characterized by defective or lost contact with reality often with hallucinations or delusions

Examples of psychosis in a Sentence

The patient suffers from some kind of psychosis.
Recent Examples on the Web Within a few days, the men were exhibiting the kind of paranoia and psychosis that is a typical symptom of sleep deprivation. Emilia Benton, Men's Health, 28 July 2022 The high-potency cannabis that is now widely available may raise the risk of both psychosis and addiction, a report published Monday in The Lancet Psychiatry finds. Linda Carroll, NBC News, 26 July 2022 In December 2020, King spotted Felix Graciani, 35, camping on Malibu beach and in a state of psychosis. Los Angeles Times, 25 July 2022 Based on the memoir by Susannah Cahalan, this movie follows a young reporter who searches for a reason behind her seizures, psychosis and memory loss. Marisa Lascala, Good Housekeeping, 30 June 2022 Meantime, Roberts’ Sara is troubled with postpartum psychosis and a cranky baby who refuses to nurse, while her workaholic husband Alex (Gallagher) is busy trying to build his veterinary practice in their new town. Angela Dawson, Forbes, 15 June 2022 Attributing school shootings to mental illness, meanwhile, increases the stigma around such conditions, which include depression, schizophrenia and psychosis, according to experts. Globe Staff, BostonGlobe.com, 27 May 2022 Inspired in part by his brother’s lifelong struggle with mental health, Bergner follows three individuals, who variously experience overwhelming depression, anxiety and other kinds of distress, including symptoms of psychosis. New York Times, 9 May 2022 Norwood also struggles with psychosis and depression. Kelly Davis, San Diego Union-Tribune, 2 May 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'psychosis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of psychosis

1847, in the meaning defined above

History and Etymology for psychosis

New Latin

Learn More About psychosis

Time Traveler for psychosis

Time Traveler

The first known use of psychosis was in 1847

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Dictionary Entries Near psychosis

psychosexuality

psychosis

psychosocial

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Statistics for psychosis

Last Updated

4 Aug 2022

Cite this Entry

“Psychosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/psychosis. Accessed 16 Aug. 2022.

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More Definitions for psychosis

psychosis

noun
psy·​cho·​sis | \ sī-ˈkō-səs How to pronounce psychosis (audio) \
plural psychoses\ -​ˌsēz How to pronounce psychosis (audio) \

Medical Definition of psychosis

: a serious mental illness (as schizophrenia) characterized by defective or lost contact with reality often with hallucinations or delusions

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