PSYCHOSES Synonyms: 38 Similar and Opposite Words

psychosis

noun

Definition of psychosis

as in dementia

a very serious mental illness that makes you behave strangely or believe things that are not true The patient suffers from some kind of psychosis.

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of psychosis Earlier, on direct examination, Heilbrun said it may be confused with psychosis. — Melina Khan, USA Today, 25 Aug. 2026 There are many different forms that psychosis can take, according to Saathoff. — Nbc News, NBC news, 25 Aug. 2026 The defense says she should not be held accountable because she was overmedicated and suffering from postpartum psychosis. — Aaron Parseghian, CBS News, 24 Aug. 2026 The case is not about whether postpartum psychosis exists, and not about the many other mothers who have struggled with postpartum psychosis. — Dr. Susan Hatters Friedman, Hartford Courant, 23 Aug. 2026 See All Example Sentences for psychosis

Recent Examples of Synonyms for psychosis

Noun

Researchers noted that many cases of dementia were not captured on death certificates, suggesting the burden of neurodegenerative disease among former players may be underestimated.

— Dr. Onaola Adedeji, ABC News, 25 Aug. 2026
Among Americans over the age of 55, the lifetime risk of eventually developing any form of dementia is 42%, one study published last year in the journal Nature Medicine found.

— Becky Sullivan, NPR, 25 Aug. 2026

Definition of dementia

Noun

But no one checked tickets, and only passengers were in the car when Brown, a 32-year-old homeless man diagnosed with schizophrenia, is accused of stabbing Zarutska’s neck.

— Charlotte Observer, Charlotte Observer, 21 Aug. 2026
Dominguez, diagnosed with schizophrenia, had pleaded not guilty by reason of insanity to the killings and the near-fatal attack on the spree’s sole survivor, Kimberlee Guillory, at both his retrial and his initial 2025 murder trial.

— Darrell Smith, Sacbee.com, 20 Aug. 2026

Definition of schizophrenia

Noun

At their worst, a cloud of quarterback instability overshadowed the season.

— David Troy OutKick, FOXNews.com, 23 Aug. 2026
With Fenway Sports Group CEO of football Michael Edwards leaving last month and sporting director Richard Hughes expected to follow after this summer’s window, there’s no shortage of uncertainty and instability above Iraola.

— James Pearce, New York Times, 23 Aug. 2026

Definition of instability

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“Psychosis.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/psychosis. Accessed 28 Aug. 2026.

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Synonyms of psychosis

noun

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