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

Unfortunately, his doctor interprets all the screaming about an alien presence in Thomas’ head as a garden-variety psychotic breakdown, and remands him to a more secure facility.

— Tasha Robinson, Vulture, 14 Oct. 2026
It may also be used to treat certain other psychotic conditions, such as psychosis arising in Parkinson disease.

— Encyclopedia Britannica, Encyclopedia Britannica, 7 Oct. 2026

Definition of psychotic

Adjective

Richard Dawkins, the British evolutionary theorist and author of the groundbreaking best seller The Selfish Gene (1976), among many other books, appears to have gone a bit mad.

— James Gleick, The New York Review of Books, 17 Oct. 2026
Mel Brooks’ comedy The Producers also took a poke at that mad man with Springtime for Hitler.

— Angie Martoccio, Rolling Stone, 15 Oct. 2026

Definition of mad

Adjective

The mental toll that comes with Ebola Losing relatives to disease outbreaks is always difficult, but responders say grief can be especially severe with Ebola in a country where the disease is viewed by many as evil due to rumors and misconceptions.

— Constant Same Bagalwa, Los Angeles Times, 21 Oct. 2026
Their alluring quality belies their extreme toxicity; at times used as a hallucinogen, their ingestion can cause severe mental confusion and even death.

— Tatiane de Assis, ARTnews.com, 21 Oct. 2026

Definition of mental

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

No, per the official underneath that goalpost — meaning Virginia Tech lost to Pitt 35-33 even though practically everyone at Lane Stadium was going nuts thinking the Hokies had won it as time expired.

— Matt Piper, New York Times, 3 Oct. 2026
The fact anyone tries to use John Brown to take the moral high ground is nuts.

— Pete Grathoff, Kansas City Star, 8 Sep. 2026

Definition of nuts

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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 25 Oct. 2026.

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Synonyms of non compos mentis

adjective

Example Sentences

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