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 People experiencing psychosis, dissociation, tics, and other problems after meditating were asking for help. — Olga Khazan, The Atlantic, 4 Sep. 2026 Reddington and the rest of the defense team have insisted despite sending her now ex-husband out on errands before the triple killing, Clancy was in the thrall of postpartum psychosis. — Dominic Patten, Deadline, 4 Sep. 2026 Postpartum psychosis is far less common, affecting roughly 1 to 3 mothers per 1,000 births, according to ACOG. — ABC News, 4 Sep. 2026 Assistant District Attorney Jennifer Sprague said Clancy was depressed and suicidal, but not in a state of psychosis. — Liam Quinn, PEOPLE, 4 Sep. 2026 See All Example Sentences for psychosis

Recent Examples of Synonyms for psychosis

Noun

Among the people who had donated their brains to research, nearly 60% had been diagnosed with dementia, while just under 19% had a neurodegenerative condition listed as a cause of death.

— Mike McRae September 15, New Atlas, 15 Sep. 2026
As for those extra 13 dementia-free years, the NYU study reinforces that what’s good for the heart is good for the brain.

— Lauran Neergaard, Los Angeles Times, 15 Sep. 2026

Definition of dementia

Noun

Despite fiercer global competition, geopolitical instability, and technological disruption over the past year, the companies on the list have proven resilient.

— Sam Birchall, Fortune, 16 Sep. 2026
Its bureaucratic process and institutional lethargy are proving, unexpectedly, to be an asset in an age of instability.

— JONAS NAHM, Foreign Affairs, 14 Sep. 2026

Definition of instability

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psychopathic

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psychotic

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“Psychosis.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/psychosis. Accessed 18 Sep. 2026.

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Synonyms of psychosis

noun

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