DEMENTED Synonyms: 96 Similar and Opposite Words

demented

adjective

di-ˈmen-təd

Definition of demented

as in psychotic

unable to think in a clear or sensible way a thoughtful movie about a demented man trying to survive on the street

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Example Sentences

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 demented What follows is a deliciously demented cat-and-mouse game between Sky and Dennis. — Erin Qualey, Vulture, 10 June 2026 The Goalkeeper — nameless, just relentlessly unidentifiable even after at least 30 increasingly demented Google searches and hours on Reddit — wears a yellow Adidas jersey with black detailing. — Jack Lang, New York Times, 9 June 2026 And his demented majesty has no intention of going gentle into that good night. — Theater Critic, Los Angeles Times, 13 May 2026 In our times, whether a demented president would order an unwarranted nuclear attack is just one ominous concern. — Sun Sentinel Editorial Board, Sun Sentinel, 17 Apr. 2026 See All Example Sentences for demented

Recent Examples of Synonyms for demented

Adjective

At trial, a neurological expert testified that Linton had a seizure in the lead up to the collision, and a psychiatrist said Linton displayed psychotic symptoms weeks after the crash that were consistent with the aftermath of a seizure.

— James Queally, Los Angeles Times, 1 Oct. 2026
Kratom can produce either stimulating or sedating effects, depending on the dosage taken, and can produce psychotic symptoms, according to the Drug Enforcement Administration.

— Phil Helsel, NBC news, 22 Sep. 2026

Definition of psychotic

Adjective

When Blue Cross Blue Shield recently published research suggesting that hospitals use artificial intelligence tools to extract more money from insurers without providing additional care, people were mad.

— Leah Pierson, STAT, 6 Oct. 2026
Carmella is also still mad at Vicki for saying that Danny is raising her kids, and Heather is angry after learning that Vicki called her fake in Palm Springs.

— Louis Peitzman, Vulture, 2 Oct. 2026

Definition of mad

Adjective

Rihanna’s here, maniacal crowds are lining up outside shows to screech and wave at their favorite stars and days of runway events big and small lie ahead.

— Leah Dolan, CNN Money, 30 Sep. 2026
These machines—the maniacal Maverick R, with its praying mantis-like front suspension, and the hard-working Pioneer—have little else in common.

— Caleb Jacobs, The Drive, 2 Sep. 2026

Definition of maniacal

Adjective

Rituals is already active in the youth mental health space as cofounder of Super Chill, a program that uses playful mind and body exercises to help children recognize their emotions and develop mental resilience.

— Samantha Conti, Footwear News, 8 Oct. 2026
If Thompson was found to be incompetent due to a mental condition, he likely won’t ever be executed.

— Grethel Aguila, Miami Herald, 8 Oct. 2026

Definition of mental

Browse Nearby Words

demeans

demented

dementedness

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“Demented.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/demented. Accessed 9 Oct. 2026.

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Synonyms of demented

adjective

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