sanity

noun

san·​i·​ty ˈsa-nə-tē 

: the quality or state of being sane

especially : soundness or health of mind

Synonyms

• 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

As a result, Laz is led down a winding path of cold cases that threaten to unravel his sanity. —Aramide Tinubu, Variety, 22 Oct. 2025

The film’s more compelling moments reflect the rich uncertainty that Polly is able to mine from her new boss, whether that has to do with challenging her parental instincts, her lust for life, or even her sanity. —David Ehrlich, IndieWire, 22 Oct. 2025

Putting together a fashion-forward outfit doesn’t have to come at the expense of your comfort (or sanity). —Averi Baudler, PEOPLE, 21 Oct. 2025

Come for the unraveling of manly sanities, stay for Dafoe's farts and a scene-stealing seagull. —Brian Truitt, USA Today, 21 Oct. 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