sanity

noun

san·​i·​ty ˈsa-nə-tē 

: the quality or state of being sane

especially : soundness or health of mind

Synonyms

• mind

Examples of sanity in a Sentence

People have begun to doubt his sanity.

She is the mother of six children but somehow keeps her sanity.

The sanity of the decision was never in question.

Recent Examples on the Web

Analyze whether being with him is worth the risk for your sanity — and your wallet. —Harriette Cole, Mercury News, 9 Sep. 2025

In this pursuit of sanity, two dominant philosophies are emerging. —Serge Lucio, Forbes.com, 8 Sep. 2025

The Last Viking, the latest collaboration between Danish writer-director Anders Thomas Jensen and his longtime muses Mads Mikkelsen and Nikolaj Lie Kaas, is a wild, darkly comic fable about brotherhood, identity and the limits of sanity. —Scott Roxborough, HollywoodReporter, 8 Sep. 2025

Time for the Nuggets to steer this narrative back to sanity. —Sean Keeler, Denver Post, 5 Sep. 2025

Word History

Etymology

Middle English sanite, from Anglo-French sanité, from Latin sanitat-, sanitas health, sanity, from sanus healthy, sane

First Known Use

15th century, in the meaning defined above

Phrases Containing sanity

• lose one's mind/sanity

Rhymes for sanity

• vanity
• christianity
• inhumanity
• humanity
• inanity
• insanity
• profanity
• urbanity

Kids Definition

sanity

noun

san·​i·​ty ˈsan-ət-ē 

: the quality or state of being sane

Medical Definition

sanity

noun

san·​i·​ty ˈsan-ət-ē 

plural sanities

: the quality or state of being sane

especially : soundness or health of mind

Legal Definition

sanity

noun

san·​i·​ty

: the quality or state of being sane compare insanity