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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:

If she is still of sound mind, she can amend her will and nominate someone else.

From MarketWatch Jul. 28, 2026

The spokesperson said she owns a houseboat near the boats she boarded in Sausalito and, not being of sound mind, believed she was on a vessel she owned.

From Los Angeles Times Jul. 22, 2026

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

“Because, I, Benjamin Meecham, being of sound mind and body, do hereby announce that I intend to take my sister, Mary Anne Meecham, to the Junior-Senior Spring Formal, if she but permits it.”

From "The Great Santini" by Pat Conroy

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