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

On its own, that fact might drive those who loved Nelson to the edge of sanity. —Teri Sforza, Oc Register, 27 Mar. 2026

Enter the 2026 Chevrolet Trax, a compact crossover that bends the needle toward sanity and affordability. —Sponsored Content, Denver Post, 27 Mar. 2026

The design was inspired by the hair-tearing boredom of COVID lockdown-era remote work, a time in which Knafs founder Ben Petersen maintained sanity during Zoom calls by fidgeting around with pocket knives and doodling pictures. —New Atlas, 26 Mar. 2026

As Saskia becomes consumed by these visions, Alex fears for her mother’s sanity and struggles to keep her grounded. —Leo Barraclough, Variety, 26 Mar. 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