psychosis

noun

psy·​cho·​sis sī-ˈkō-səs How to pronounce psychosis (audio)
plural psychoses sī-ˈkō-ˌsēz How to pronounce psychosis (audio)
: 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 Some conditions, including bipolar disorder and psychosis, are disqualifying. Claire Rush and Gene Johnson, The Christian Science Monitor, 26 Oct. 2023 Officials say Roche was involuntarily hospitalized \ due to his extreme state of paranoia, psychosis and threat to harm USAF security personnel. Louis Casiano, Fox News, 21 Dec. 2023 As cities face soaring rates of homelessness, drug overdoses, violent crime and psychosis, private security guards like Mr. Bock have become a solution of last resort. Marc Lacey, New York Times, 18 Dec. 2023 Side effects of using the medication include nausea, dizziness headaches, dissociation, vertigo, drowsiness, psychosis and more. Vanessa Etienne, Peoplemag, 15 Dec. 2023 This matters because today’s marijuana is up to 20 times as powerful as the marijuana of the past, and it is connected to a fivefold increase in psychosis and schizophrenia. WSJ, 1 Nov. 2023 Diagnosis of psychosis for the American Psychiatric Association (APA) includes gross impairment in reality testing or loss of ego boundaries that interfere with the capacity to meet the demands of ordinary life. Greg Licholai, Forbes, 29 Nov. 2023 Solitary confinement can cause psychological impacts like depression, anxiety or psychosis, and young people are especially vulnerable to those effects. Paige Pfleger, ProPublica, 16 Nov. 2023 Sometimes, then, narratives about women’s pain—childbirth, routine medical procedures performed without anesthesia, the disbelief and dismissal that greets women suffering from postpartum depression, anxiety, or psychosis—come to us initially through the stories of their husbands or partners. Phillip MacIak, The New Republic, 7 Sep. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'psychosis.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

New Latin

First Known Use

1847, in the meaning defined above

Time Traveler
The first known use of psychosis was in 1847

Dictionary Entries Near psychosis

Cite this Entry

“Psychosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/psychosis. Accessed 23 Feb. 2024.

Kids Definition

psychosis

noun
psy·​cho·​sis sī-ˈkō-səs How to pronounce psychosis (audio)
plural psychoses -ˈkō-ˌsēz How to pronounce psychosis (audio)
: a serious mental illness marked by loss of or greatly lessened ability to test whether what one is thinking and feeling about the real world is really true

Medical Definition

psychosis

noun
psy·​cho·​sis sī-ˈkō-səs How to pronounce psychosis (audio)
plural psychoses -ˌsēz How to pronounce psychosis (audio)
: a serious mental illness (as schizophrenia) characterized by defective or lost contact with reality often with hallucinations or delusions
Last Updated: - Updated example sentences
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