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

Suddenly a global star, Liu is trying to make big-girl decisions while keeping her sanity. —David Caraccio, Sacbee.com, 12 Mar. 2026

Getting this flagship setup at 50% off is a massive win for your living room and your sanity. —Juhi Wadia, PC Magazine, 11 Mar. 2026

Watching three 2022 Joe Schoen draft picks sign in Tennessee on the same day might not have happened if Harbaugh hadn’t been hired to bring sanity and professional to this operation. —Pat Leonard, New York Daily News, 9 Mar. 2026

And then, what are the ramifications of that, not just our own sanity, but on the economy? —Rebecca Schneid, Time, 8 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