NON COMPOS MENTIS Synonyms: 96 Similar and Opposite Words

non compos mentis

adjective

ˌnän-ˌkäm-pəs-ˈmen-təs

Definition of non compos mentis

as in psychotic

unable to think in a clear or sensible way will seek to prove that the elderly tycoon was non compos mentis when he dictated that will

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Recent Examples of Synonyms for non compos mentis

Adjective

In the book’s arc, this lands as a chilling dismissal, and a reminder of the magnitude of Bret’s increasingly psychotic concern over Robert Mallory and the Trawler, and his detachment from his own life.

— Leo Lasdun, New Yorker, 5 Aug. 2026
In people with personal or family history of psychotic disorders, taking psilocybin may increase the risk of psychosis.

— Helen Carefoot, Flow Space, 5 Aug. 2026

Definition of psychotic

Adjective

However, Storm co-owner Celeste Keaton was fined and suspended for five games after last Tuesday’s contest, when two girls sitting courtside in support of Cunnigham said Keaton cursed at them and called them insane.

— Sabreena Merchant, New York Times, 4 Aug. 2026
Continue reading … VIRUS RECKONING — COVID fury explodes as Fauci hearing revives 'insane' lockdown nightmare tales.

— , FOXNews.com, 31 July 2026

Definition of insane

Adjective

So kudos to the extras who steal scenes from them in the background, flailing like avant-garde dancers when a vicious mental parasite leaps from grandmothers to joggers to security guards on a quest to find something awful.

— Amy Nicholson, Los Angeles Times, 30 July 2026
Life can change in an instant, and someone in a precarious mental state may seem to be improving before taking a sharp turn for the worse.

— Charles Trepany, USA Today, 30 July 2026

Definition of mental

Adjective

Especially after a clunker of a season in 2025, superstar receiver Justin Jefferson won’t settle for anything other than maniacal attention to detail on and off the field.

— Alec Lewis, New York Times, 28 July 2026
The odd thing about this choice is that, although the DSA’s platform is indeed chock-full of maniacal proposals, on this particular idea, the maniacs have a point.

— Jonathan Chait, The Atlantic, 22 July 2026

Definition of maniacal

Adjective

Two of the craziest comebacks of the season came this week, courtesy of teams trying to stay in the American League wild card race.

— ABC News, ABC News, 3 Aug. 2026
The last movie had crazy stuff going on with the multiverse, multiple Spider-Men, and rips in the space-time continuum.

— Chris Lee, Vulture, 3 Aug. 2026

Definition of crazy

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Browse Nearby Words

noncomplicated

non compos mentis

noncompound

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“Non compos mentis.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/non%20compos%20mentis. Accessed 7 Aug. 2026.

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Synonyms of non compos mentis

adjective

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