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[seyn] /seɪn/
adjective, saner, sanest.
free from mental derangement; having a sound, healthy mind:
a sane person.
having or showing reason, sound judgment, or good sense:
sane advice.
sound; healthy.
Origin of sane
1620-30; < Latin sānus healthy
Related forms
sanely, adverb
saneness, noun
nonsane, adjective
nonsanely, adverb
nonsaneness, noun
Can be confused
sane, Seine.
2. reasonable, sensible, judicious, level-headed. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for sanest
Contemporary Examples
Historical Examples
  • In a way it is the solidest and sanest time in English letters.

  • I am inclined to regard it as the sanest of all human moods.

    Suspended Judgments John Cowper Powys
  • You're probably, with one exception, the sanest person she knows, and you at least wouldn't scandalously fleece her.

    Embarrassments Henry James
  • He is the sanest of all the great writers; perhaps the only sane one.

    Visions and Revisions John Cowper Powys
  • Alfred was the best, the kindest, the sanest of human beings.

    The Queen of Hearts Wilkie Collins
  • His daughter, who seemed to be the sanest one in the lot, run and shut the door.

    The Depot Master Joseph C. Lincoln
  • Their eyes bore true witness to what was in their minds, and the sanest eyes can do no more.

    Idolatry Julian Hawthorne
  • Here you may see life at its sanest and most splendid moments.

  • She is one of the sanest persons I have ever known, it seems to me.

    Fernley House Laura E. Richards
British Dictionary definitions for sanest


sound in mind; free from mental disturbance
having or showing reason, good judgment, or sound sense
(obsolete) healthy
Derived Forms
sanely, adverb
saneness, noun
Word Origin
C17: from Latin 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 sanest



1721, back-formation from sanity or else from Latin sanus "sound, healthy," in figurative or transferred use, "of sound mind, rational, sane," also, of style, "correct;" of uncertain origin. Used earlier, of the body, with the sense of "healthy" (1620s). Related: Sanely.

Online Etymology Dictionary, © 2010 Douglas Harper
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sanest in Medicine

sane (sān)
Of sound mind; mentally healthy.

sane'ness n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Related Abbreviations for sanest


sulfur and nitrogen emissions
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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