Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

sanity

play
noun san·i·ty \ˈsa-nə-tē\

Simple 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

Source: Merriam-Webster's Learner's Dictionary

Full Definition of sanity

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

Examples of sanity in a sentence

  1. People have begun to doubt his sanity.

  2. She is the mother of six children but somehow keeps her sanity.

  3. The sanity of the decision was never in question.



Origin of sanity

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


First Known Use: 15th century

Rhymes with sanity



SANITY Defined for Kids

sanity

play
noun san·i·ty \ˈsa-nə-tē\

Definition of sanity for Students

  1. :  the state of having a healthy and sound mind




Medical Dictionary

sanity

play
noun san·i·ty \ˈsan-ət-ē\

Medical Definition of sanity

plural sanities

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




Law Dictionary

sanity

noun san·i·ty

Legal Definition of sanity

  1. :  the quality or state of being sane — compare insanity





Seen and Heard

What made you want to look up sanity? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to manage or play awkwardly

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alt-5746713d76276

Which of these is a synonym of nonplus?

reduce disapprove perplex soothe
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ