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[san-i-tee] /ˈsæn ɪ ti/
the state of being sane; soundness of mind.
soundness of judgment.
Origin of sanity
late Middle English
1400-50; late Middle English sanite < Latin sānitās. See sane, -ity
Related forms
nonsanity, noun
supersanity, noun
unsanity, noun
2. reason, rationality, sensibleness, reasonableness. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for sanities
Historical Examples
  • 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


the state of being sane
good sense or soundness of judgment
Word Origin
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
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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
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sanities in Medicine

sanity san·i·ty (sān'ĭ-tē)

  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.
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