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sanity

[san-i-tee]
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noun
  1. the state of being sane; soundness of mind.
  2. soundness of judgment.
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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

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2. reason, rationality, sensibleness, reasonableness.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for sanity

Contemporary Examples

Historical Examples

  • It was Pfeiffer who drew her out of the room and tried to talk reason and sanity to her.

    K

    Mary Roberts Rinehart

  • There ought to be some other word that doesn't accuse his sanity in that degree.

    Questionable Shapes

    William Dean Howells

  • Then you regained your sanity and put him in his rightful place.

    The Monster Men

    Edgar Rice Burroughs

  • Sanity may play with insanity; but insanity must not be allowed to play with sanity.

    Alarms and Discursions

    G. K. Chesterton

  • But if they had, one of them at least would have doubted the young man's sanity.


British Dictionary definitions for sanity

sanity

noun
  1. the state of being sane
  2. good sense or soundness of judgment
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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

Word Origin and History for sanity

n.

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.

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Online Etymology Dictionary, © 2010 Douglas Harper

sanity in Medicine

sanity

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