as in stable
having full use of one's mind and control over one's actions
went to court to prove that her grandmother was no longer compos mentis and needed a legal guardian
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Recent Examples of compos mentis
Second, and more important, while Biden’s voice may be faltering, and some of his sentences rest incomplete, there is little question which candidate is less compos mentis than the other.
—
Jack Rakove, Chicago Tribune, 18 July 2024
Too a Real President meeting yesterday largely succeeded in its immediate goal: News coverage showed Trump in the act of president-ing with the air of a man who is, if not a stable genius, at least compos mentis.
—Jonathan Chait, Daily Intelligencer, 10 Jan. 2018
Jack Rakove, Chicago Tribune, 18 July 2024
Too a Real President meeting yesterday largely succeeded in its immediate goal: News coverage showed Trump in the act of president-ing with the air of a man who is, if not a stable genius, at least compos mentis.
—Jonathan Chait, Daily Intelligencer, 10 Jan. 2018
Recent Examples of Synonyms for compos mentis
Adjective
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He was taken to a local hospital in stable condition.—
Jenna DeAngelis,
CBS News,
22 June 2026
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The injured girl's mother is believed to have jumped from a second-floor window to safety and is in stable condition, the PFD confirmed to CBS News.—
Escher Walcott,
PEOPLE,
21 June 2026
Adjective
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Even compared to 2023’s excellent Alive People, the mood is light, the pace is slow, and her reflections are lucid to the point of being haikuesque.—
Sam Sodomsky,
Pitchfork,
16 June 2026
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There’s a lucid rebellion bubbling within the walls of Broadway’s Studio 54 theater, the kind that transcends space, time, and earthly norms.—
Gianluca Russo,
Allure,
5 June 2026
Adjective
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According to Roberts, Treinen felt normal after the game.—
Maddie Lee,
Los Angeles Times,
21 June 2026
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The lower-than-normal system voltage from a weak battery, failing alternator, slipping belt or poor electrical connection can affect the electric power steering system.—
John Paul Senior Manager Public Affairs And Traffic Safety Aaa Northeast,
Hartford Courant,
20 June 2026
Adjective
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Sulwhasoo's Gentle Cleansing Foam creates a rich lather that removes dirt, oil, and makeup without stripping skin, while ingredients like ginseng, orange peel, chestnut shell, and yam root leave your complexion soft, balanced, and comfortably hydrated.—
Christa Joanna Lee,
Allure,
24 June 2026
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Reports promise a clear verdict on whether your gut is balanced, then hand you a roadmap of foods to eat, foods to skip and probiotics to buy.—
Ryan Brennan,
Miami Herald,
24 June 2026
Adjective
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Forced Selling Creates Market Mispricing The market is not a rational machine.—
Jim Osman,
Forbes.com,
19 June 2026
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If Iran’s rulers are so rational and nice, one wonders why their potential acquisition of a nuclear weapon would so concern the United States.—
Jonathan Chait,
The Atlantic,
17 June 2026
Adjective
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Prior research has linked secure attachment throughout childhood and adolescence to better mental health, healthier relationships and greater emotional resilience.—
Katia Hetter,
CNN Money,
20 June 2026
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Eating both broccoli and Brussels sprouts can be part of a healthy, balanced diet.—
Danielle Zickl,
Health,
20 June 2026
Cite this Entry
“Compos mentis.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/compos%20mentis. Accessed 25 Jun. 2026.
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