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
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for non compos mentis
Adjective
-
The prescriptions for the anti-psychotic medications Nelson required twice daily were slow to be filled and forgotten on a desk in a corporate office.—
Teri Sforza,
Oc Register,
27 Mar. 2026 -
After inheriting her childhood home, an unsuspecting woman becomes the object of her psychotic neighbor’s obsession, spiraling her down a violent path of stalking and possession that can only lead her to an extremely bloody Christmas.—
William Earl,
Variety,
25 Mar. 2026
Adjective
-
Some celebrities have gotten mad at him about the interactions, and some of them laugh about it with him.—
Kansas City Star,
Kansas City Star,
29 Mar. 2026
-
Us senior surfers need to stick together to hold off the hordes of nasty agro kidbots that are violently intent on world domination and the spread of nuclear surf rabies and mad Red Bull disease.—
Corky Carroll,
Oc Register,
28 Mar. 2026
Adjective
-
If he was convicted, a jury would then have to decide whether Abril was insane when the park shooting occurred.—
Rosalio Ahumada,
Sacbee.com,
26 Mar. 2026
-
And the culture is happily playing along in the name of this insane thirst of Stan culture to have something on the other side.—
Jem Aswad,
Variety,
24 Mar. 2026
Adjective
-
This money, if considered by the same lawmakers who have paid TSA in more than 40 days, would cover late fees, overdrafts, and even mental anguish.—
Marvin Hurst,
CBS News,
31 Mar. 2026
-
King, who is in his early fifties, is a former marine, a motivational speaker, and a mental-health and substance-abuse professional.—
Charles Bethea,
New Yorker,
30 Mar. 2026
Adjective
-
Bones is a pretty stellar action heroine, if only for her rah-rah speeches and her maniacal laughter in the face of men who seek to control her.—
Siddhant Adlakha,
Variety,
14 Mar. 2026
-
Even when discussing this premise, his maniacal desire to win seeps through.—
Zach Berman,
New York Times,
13 Mar. 2026
Adjective
-
There’s a quick-disconnect sway bar underneath for better articulation, but Jeep didn’t go nuts with the hardware.—
Caleb Jacobs,
The Drive,
26 Mar. 2026
-
Illinois’ bench went absolutely nuts.—
Ryan Brennan
March 25,
Miami Herald,
25 Mar. 2026
Adjective
-
Anything can happen, and everything's crazy.—
Matthew Couden,
MSNBC Newsweek,
30 Mar. 2026
-
Folks need to remember this in November, because Uthmeier is raising money like crazy in a bid to take the AG’s job for real.—
Orlando Sentinel Editorial Board,
The Orlando Sentinel,
29 Mar. 2026
Adjective
-
The key figure turns out to be Alex’s mysterious Aunt Gladys, played in full psycho-biddy drag by Amy Madigan.—
Louis Peitzman,
Vulture,
8 Aug. 2025
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.
Cite this Entry
“Non compos mentis.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/non%20compos%20mentis. Accessed 3 Apr. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
