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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Recent Examples of psychosis
This is mass political psychosis.
—
Howie Carr, Boston Herald, 12 Sep. 2025
And Cherry doesn’t need much to encourage her dormant psychosis.
—Rafaela Bassili, Vulture, 10 Sep. 2025
At higher doses, kratom can be used as a sedative and potentially cause psychosis.
—Miami Herald, 8 Sep. 2025
Second, there is a hunch that AI psychosis might simply be a fad.
—Lance Eliot, Forbes.com, 7 Sep. 2025
See All Example Sentences for psychosis
Howie Carr, Boston Herald, 12 Sep. 2025
And Cherry doesn’t need much to encourage her dormant psychosis.
—Rafaela Bassili, Vulture, 10 Sep. 2025
At higher doses, kratom can be used as a sedative and potentially cause psychosis.
—Miami Herald, 8 Sep. 2025
Second, there is a hunch that AI psychosis might simply be a fad.
—Lance Eliot, Forbes.com, 7 Sep. 2025
See All Example Sentences for psychosis
Recent Examples of Synonyms for psychosis
Noun
-
This is the conclusion of a study led by researchers from Florida's Hubbs-SeaWorld Research Institute, who suspect that—just like some adult humans with dementia are occasionally found wandering far from their homes—dolphins may become similarly disoriented when suffering from Alzheimer's.—
Maria Azzurra Volpe,
MSNBC Newsweek,
3 Oct. 2025
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Advertisement Another 2025 study by researchers from the University of Hawaiʻi at Mānoa, found that adopting the MIND diet, even later in life, may reduce the risk of Alzheimer’s and other forms of dementia.—
Arianna Huffington,
Time,
1 Oct. 2025
Noun
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Zarutska's death has raised questions about safety and policing in Charlotte as Brown was known to the police as having schizophrenia and had arrests and convictions over multiple years.—
Kate Plummer,
MSNBC Newsweek,
24 Sep. 2025
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Neely had schizophrenia, was behaving erratically, high on drugs and threatening riders.—
Michael Ruiz,
FOXNews.com,
23 Sep. 2025
Noun
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The country is rife with political instability, having cycled through four prime ministers in the last five years – all members of the Liberal Democratic Party (LDP).—
Jessie Yeung,
CNN Money,
3 Oct. 2025
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Putin accused European nations of fueling instability by increasing military spending and deepening integration under NATO.—
Alia Shoaib,
MSNBC Newsweek,
3 Oct. 2025
Cite this Entry
“Psychosis.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/psychosis. Accessed 5 Oct. 2025.
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