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Showing results for of sound mind.
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.

And was your grandmother of sound mind at the time?

From MarketWatch • Mar. 30, 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

In 2016, Michael sent a cease-and-desist letter to Saks’s management explaining that his mother wasn’t of sound mind and that Kwatra was abusing his position.

From The Wall Street Journal • Dec. 25, 2025

There’s no reason to doubt whether Hackman was of sound mind at that time.

From Salon • Jul. 30, 2025

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

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.