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Synonyms

of sound mind

American  
[uhv sound mahynd] / əv ˈsaʊnd ˈmaɪnd /

idiom

  1. capable of rational thought and decision making, unimpaired by mental illness, drugs, dementia, etc.; compos mentis.


Etymology

Origin of of sound mind

First recorded in 1605–15

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Paul did not think his father sought advice, but said he was of sound mind when he signed over his home, paying £3,500 upfront and £211 per year to UWP.

From BBC Jul. 18, 2026

There are some non-vacation-related items for your to-do list, as well: create power-of-attorney documents while your husband is of sound mind and has the legal capacity to sign off on them.

From MarketWatch Apr. 9, 2026

Although she is of sound mind, Guthrie has physical ailments that keep her from walking very far and needs to take a daily medication that she appears to be without.

From Los Angeles Times Feb. 5, 2026

While she was of sound mind, she had physical ailments that kept her from walking very far — suggesting she didn’t leave on her own.

From Los Angeles Times Feb. 3, 2026

“This reassures me that I was of sound mind never to have children.”

From "The Bletchley Riddle" by Ruta Sepetys and Steve Sheinkin

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