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

Her parents, once her safe harbor, are now shaped by mistrust, and Trine wrestles with guilt and a nagging doubt about her own sanity. —Matthew Carey, Deadline, 17 Feb. 2026

How in the name of sanity (just go ask coaches) was Mater Dei placed in Division 2? —Eric Sondheimer, Los Angeles Times, 16 Feb. 2026

Voters must understand that the college affordability crisis was engineered by perverse incentives and that free-market reforms can help restore sanity to the system. —Neetu Arnold, Washington Post, 10 Feb. 2026

Save your rosary beads — and your sanity — for whenever Sweden comes on the TV. —Sean Keeler, Denver Post, 7 Feb. 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