psychosis

noun
psy·​cho·​sis | \sī-ˈkō-səs \
plural psychoses\sī-​ˈkō-​ˌsēz \

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

These misfolded proteins are unable to function properly, and the result is that the victim suffers from memory loss, dementia, psychosis, loss of coordination, and eventually death. Avery Thompson, Popular Mechanics, "A Man Contracted a Rare, Fatal Disease From Eating Squirrel Brains," 17 Oct. 2018 Adele is bringing awareness to a very important issue: postpartum psychosis, which her best friend, Laura, has experienced. Emily Wang, Glamour, "Adele Wrote a Touching Post About Her Best Friend’s Postpartum Psychosis Recovery," 14 Aug. 2018 However, a brief psychosis may linger hours to days after intoxication has passed. Dr. Stephen Mcleod-bryant, miamiherald, "Psychosis often the effect of long-term, recreational marijuana use," 15 June 2018 Another small but useful side effect of this crisis has been to expose just how deeply the psychosis of compulsive lying has spread through the administration’s ranks. Frank Rich, Daily Intelligencer, "The Shameless Fakery of Trump’s Retreat on Family Separations," 21 June 2018 Taking mushrooms can lead to nausea, panic attacks and, rarely, paranoia and psychosis. Barbara Feder Ostrov, sacbee, "'Magic' mushrooms: The next great legalization debate," 29 May 2018 In fact, research has begun to show that meditation can have a negative impact — can even trigger psychosis — in people who have suffered a severe trauma or who have bipolar disorder or schizophrenia. Cindy Dampier, chicagotribune.com, "Mindfulness is not just a buzzword, it's a multibillion dollar industry. Here's the truth about the hype," 2 July 2018 Taking mushrooms can lead to nausea, panic attacks and, rarely, paranoia and psychosis. Barbara Feder Ostrov, sacbee, "'Magic' mushrooms: The next great legalization debate," 29 May 2018 Taking mushrooms can lead to nausea, panic attacks and, rarely, paranoia and psychosis. Special To The Oregonian, OregonLive.com, "First, marijuana. Are 'magic' mushrooms next?," 14 May 2018

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.

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First Known Use of psychosis

1847, in the meaning defined above

History and Etymology for psychosis

New Latin

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Statistics for psychosis

Last Updated

24 Nov 2018

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Time Traveler for psychosis

The first known use of psychosis was in 1847

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More Definitions for psychosis

psychosis

noun

English Language Learners Definition of psychosis

: a very serious mental illness that makes you behave strangely or believe things that are not true

psychosis

noun
psy·​cho·​sis | \sī-ˈkō-səs \
plural psychoses\-​ˌsēz \

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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More from Merriam-Webster on psychosis

Rhyming Dictionary: Words that rhyme with psychosis

Spanish Central: Translation of psychosis

Nglish: Translation of psychosis for Spanish Speakers

Britannica.com: Encyclopedia article about psychosis

Comments on psychosis

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