psychosis
noun
psy·cho·sis
sī-ˈkō-səs 
plural psychoses
sī-ˈkō-ˌsēz
: 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
The novel’s dark genius is in treating Bateman’s bespoke consumerism as the deeper psychosis.
—
Alexander Nazaryan, New York Times, 4 Apr. 2025
Psychological assessments conducted by Vanderbilt University Medical Center in 2019 and 2021 concluded Hale wasn't suffering from psychosis and recommended outpatient treatment.
—Arkansas Online, 3 Apr. 2025
Although significantly less common than other perinatal mood disorders, postpartum psychosis is a medical emergency that all women of childbearing age should be aware of.
—Kaitlyn May, Hartford Courant, 3 Apr. 2025
On the one hand, a possible side effect of benzo withdrawal is psychosis.
—Amanda Whiting, Vulture, 16 Mar. 2025
See All Example Sentences for psychosis
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Alexander Nazaryan, New York Times, 4 Apr. 2025
Psychological assessments conducted by Vanderbilt University Medical Center in 2019 and 2021 concluded Hale wasn't suffering from psychosis and recommended outpatient treatment.
—Arkansas Online, 3 Apr. 2025
Although significantly less common than other perinatal mood disorders, postpartum psychosis is a medical emergency that all women of childbearing age should be aware of.
—Kaitlyn May, Hartford Courant, 3 Apr. 2025
On the one hand, a possible side effect of benzo withdrawal is psychosis.
—Amanda Whiting, Vulture, 16 Mar. 2025
See All Example Sentences for psychosis
Cite this Entry
“Psychosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/psychosis. Accessed 23 Apr. 2025.
Copy CitationKids Definition
psychosis
noun
psy·cho·sis
sī-ˈkō-səs
plural psychoses
-ˈkō-ˌsēz
: 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
plural psychoses
-ˌsēz
: a serious mental illness (as schizophrenia) characterized by defective or lost contact with reality often with hallucinations or delusions
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