compos mentis
adjective
com·pos men·tis
ˈkäm-pəs-ˈmen-təs 
: of sound mind, memory, and understanding
Examples of compos mentis in a Sentence
went to court to prove that her grandmother was no longer compos mentis and needed a legal guardian
Recent Examples on the Web
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
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Jack Rakove, Chicago Tribune, 18 July 2024
Cite this Entry
“Compos mentis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/compos%20mentis. Accessed 2 Mar. 2025.
Copy CitationMedical Definition
compos mentis
adjective
com·pos men·tis
ˌkäm-pə-ˈsment-əs
: of sound mind, memory, and understanding
Legal Definition
compos mentis
adjective
com·pos men·tis
ˈkäm-pəs-ˈmen-təs, ˈkȯm-pȯs-ˈmen-tis
Etymology
Latin, literally, having possession of one's mind
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