sanity

noun

san·​i·​ty ˈsa-nə-tē 

: the quality or state of being sane

especially : soundness or health of mind

Synonyms

• daylights
• head
• marbles
• mind
• reason
• saneness
• wit(s)

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

Suppressing the complexity of the nation’s past to curate a comforting national story will not lead to truth, sanity, or the sorts of achievements that Trump wants to celebrate. —Time, 20 May 2025

Most of us involuntarily limit our daily interaction with the world’s incessant problems, just to preserve our basic sanity. —Tomris Laffly, Variety, 18 May 2025

Lawrence plays Grace, a new mother, suffering from postpartum depression and struggling to keep her sanity. —Lexi Carson, HollywoodReporter, 17 May 2025

Make room for summer fun—and keep your sanity—with this quick list of things to toss from your kids’ rooms before school’s out and chaos sets in. —Patricia Shannon, Southern Living, 16 May 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