Dictionary.com
Thesaurus.com
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.

Reiner’s ability to check into a hotel and travel across Los Angeles where he was seen at a gas station and ultimately arrested isn’t necessarily a sign that he was of sound mind, Faerstein said.

From Los Angeles Times • Jan. 6, 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

Your husband would do well to sign a power-of-attorney document while he is of sound mind and has the legal capacity to do so, if he has not done so already.

From MarketWatch • Oct. 27, 2025

When she made her will she also included a document signed by her doctor stating she was of sound mind, etc., and specified that she didn’t want to leave anything to her sons.

From MarketWatch • Oct. 9, 2025

“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

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "of sound mind" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com