Origin of sanity

1400–50; late Middle English sanite < Latin sānitās. See sane, -ity
Related formsnon·san·i·ty, nounsu·per·san·i·ty, nounun·san·i·ty, noun

Synonyms for sanity Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sanities

Historical Examples of sanities

  • Its sanities are stark madness to the matter-of-fact man of affairs.

  • Did not the decencies and the sanities of life depend on right moral conduct?

    The "Genius"

    Theodore Dreiser

  • What deeds might he not do with it in those hours when the sanities of life also sleep?

    Old Crow

    Alice Brown

  • That must have been real dreaming, and yet now, with all my sanities and scepticisms, I could half believe it real.

    The Passionate Friends

    Herbert George Wells

British Dictionary definitions for sanities


  1. the state of being sane
  2. 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

Word Origin and History for sanities



early 15c., "healthy condition," from Middle French sanité "health," from Latin sanitatem (nominative sanitas) "health, sanity," from sanus "healthy; sane" (see sane). Meaning "soundness of mind" first attested c.1600.

Online Etymology Dictionary, © 2010 Douglas Harper

sanities in Medicine


  1. The quality or condition of being sane; soundness of mind.
  2. 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.