[ san-i-tee ]
/ ˈsæn ɪ ti /


the state of being sane; soundness of mind.
soundness of judgment.

Origin of sanity

1400–50; late Middle English sanite < Latin sānitās. See sane, -ity

Related forms

non·san·i·ty, nounsu·per·san·i·ty, nounun·san·i·ty, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sanity

British Dictionary definitions for sanity


/ (ˈsænɪtɪ) /


the state of being sane
good sense or soundness of judgment

Word Origin for sanity

C15: from Latin sānitās health, from sānus healthy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for sanity


[ sănĭ-tē ]


The quality or condition of being sane; soundness of mind.
Soundness of judgment or reason.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.