sanity

noun

san·​i·​ty ˈsa-nə-tē 

: the quality or state of being sane

especially : soundness or health of mind

Synonyms of sanity

• 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

In the film, the pair star as young couple Grace and Jackson, who move from New York City to Jackson’s hometown in Montana and become parents, as Grace struggles to maintain her sanity after giving birth. —Kirsten Chuba, HollywoodReporter, 2 Nov. 2025

After touring for 30 years, LeAnn Rimes has learned a thing or two about maintaining her sanity on the road. —Melinda Newman, Billboard, 28 Oct. 2025

For overwhelmed workers, automatic recall and task completion could mean sanity. —The Ai Insider, Interesting Engineering, 27 Oct. 2025

In real life, Springsteen’s insistence on scaling back—with Landau’s support—may have saved his life, or at least his sanity. —Stephanie Zacharek, Time, 24 Oct. 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