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

When the streets flood in Florida, residents are bound to see some incredibly weird stuff that would make visitors question their sanity. — Austin Perry Outkick, FOXNews.com, 6 Nov. 2026

But as she is forced to participate in a tournament of high-stakes games, the experience takes a sinister turn, pushing her to compromise her identity and instincts while questioning both her sanity and her safety. — Zac Ntim, Deadline, 2 Nov. 2026

Trip isn’t the standout role, but Keery handles the character’s exasperated monologues with panache, turning self-defense and infuriated straight-talk into acts of exhilarating sanity. — Theater Critic, Los Angeles Times, 19 Oct. 2026

Has everyone made it through an insane weekend of college football with their sanity intact? — Adam Lichtenstein, Sun Sentinel, 18 Oct. 2026

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