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

By the time the madness had run its course, and some sense of sanity returned, a generation of youth had lost their opportunity to pursue their life goals, reach their educational potential, and enjoy the love of a family. —Arkansas Online, 22 Jan. 2026

Where can one go to hear the moral sanity that counters the grudgeful actions of the American president? —Bob Kustra, Chicago Tribune, 22 Jan. 2026

Why can’t the Sun Sentinel and Minnesota leaders join hands with law enforcement to bring justice and sanity back to their city and state? —Sun Sentinel Editorial Board, Sun Sentinel, 22 Jan. 2026

Mesh laundry bags that can be tossed in the washer for delicate items and small items like socks and baby clothes will save time and sanity. —Mary Marlowe Leverette, The Spruce, 19 Jan. 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