san·​i·​ty | \ ˈsa-nə-tē How to pronounce sanity (audio) \

Definition of sanity

: the quality or state of being sane especially : soundness or health of mind

Keep scrolling for more

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.
See More
Recent Examples on the Web There was nothing more admirable in Auden than his firm belief in sanity. Erin Overbey, The New Yorker, 17 Oct. 2021 As America enters the tenth month of its Walpurgisnacht, Francis Coppola’s debut film, Dementia 13, is back to remind us of age-old fears — and forgotten pragmatic sanity. Armond White, National Review, 29 Sep. 2021 Depending on the source, Brown, who led the 1859 raid on Harpers Ferry to resist slavery, is either an insurrectionist of questionable sanity or a national hero whose planning displayed ingenuity. Nedra Rhone, ajc, 8 Sep. 2021 The associates start posting anonymous hate messages about Julius and Diane on a new app, and Wackner goes to real court, where his approach an sanity are questioned. Washington Post, 29 July 2021 With hundreds of billions of euros of E.U. assistance hanging in the balance, and a pandemic still in the air, establishment chops and palpable sanity are in high demand. Jason Horowitz, New York Times, 29 July 2021 Timmons, down four workers and working daily double shifts throughout April, this week decided to close Nicoletta’s on Mondays to preserve his employees’ sanity. Phillip Valys,, 15 May 2021 Jayatissa delivers a forceful portrait of a young woman teetering on the edge of sanity, prone to violence over the least slight. Oline H. Cogdill,, 20 Sep. 2021 Psychological drama Wakefield takes a comedic look at the mystery of why psych ward nurse Nik Katira (Rudi Dharmalingam), known as the sanest person in the most unstable environment, begins to lose his own sanity. Ew Staff,, 13 Sep. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sanity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of sanity

15th century, in the meaning defined above

History and Etymology for sanity

Middle English sanite, from Anglo-French sanité, from Latin sanitat-, sanitas health, sanity, from sanus healthy, sane

Keep scrolling for more

Learn More About sanity

Time Traveler for sanity

Time Traveler

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

See more words from the same century

Dictionary Entries Near sanity



San Jacinto

See More Nearby Entries 

Statistics for sanity

Last Updated

20 Oct 2021

Cite this Entry

“Sanity.” Dictionary, Merriam-Webster, Accessed 24 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon
Seen & Heard
People are talking about

Keep scrolling for more

More Definitions for sanity



English Language Learners Definition of sanity

: the condition of having a healthy mind : the condition of being sane
: the condition of being based on reason or good judgment


san·​i·​ty | \ ˈsa-nə-tē How to pronounce sanity (audio) \

Kids Definition of sanity

: the state of having a healthy and sound mind


san·​i·​ty | \ ˈsan-ət-ē How to pronounce sanity (audio) \
plural sanities

Medical Definition of sanity

: the quality or state of being sane especially : soundness or health of mind

Keep scrolling for more



Legal Definition of sanity

: the quality or state of being sane — compare insanity

More from Merriam-Webster on sanity

Nglish: Translation of sanity for Spanish Speakers

Britannica English: Translation of sanity for Arabic Speakers


Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
True or False

Test your knowledge - and maybe learn something along the way.

Love words? Need even more definitions?

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