sanity

noun

san·​i·​ty ˈsa-nə-tē How to pronounce sanity (audio)
Synonyms of sanitynext
: the quality or state of being sane
especially : soundness or health of 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Thank you for your daily dose of sanity each morning. Joe Kinsey Outkick, FOXNews.com, 27 May 2026 And suddenly your low-budget indie project is bleeding time, money and sanity. Chris Cardillo, Rolling Stone, 26 May 2026 And some of it is just for my own sanity — some of it maybe will see the light of day in some capacity or not. Antonia Blyth, Deadline, 11 May 2026 Acting quickly and calmly can prevent further scorching, save your sanity, and sometimes even rescue the meal. Katie Rosenhouse, Southern Living, 10 May 2026 See All Example Sentences for sanity

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

Time Traveler
The first known use of sanity was in the 15th century

Browse Nearby Words

Cite this Entry

“Sanity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sanity. Accessed 30 May. 2026.

Kids Definition

sanity

noun
san·​i·​ty ˈsan-ət-ē How to pronounce sanity (audio)
: the quality or state of being sane

Medical Definition

sanity

noun
san·​i·​ty ˈsan-ət-ē How to pronounce sanity (audio)
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

More from Merriam-Webster on sanity

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster