See more synonyms for sane on
adjective, san·er, san·est.
  1. free from mental derangement; having a sound, healthy mind: a sane person.
  2. having or showing reason, sound judgment, or good sense: sane advice.
  3. sound; healthy.

Origin of sane

First recorded in 1620–30, sane is from the Latin word sānus healthy
Related formssane·ly, adverbsane·ness, nounnon·sane, adjectivenon·sane·ly, adverbnon·sane·ness, noun
Can be confusedsane Seine

Synonyms for sane

See more synonyms for on
2. reasonable, sensible, judicious, level-headed. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for sanely

Contemporary Examples of sanely

Historical Examples of sanely

British Dictionary definitions for sanely


  1. sound in mind; free from mental disturbance
  2. having or showing reason, good judgment, or sound sense
  3. obsolete healthy
Derived Formssanely, adverbsaneness, noun

Word Origin for sane

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

Word Origin and History for sanely



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

sanely in Medicine


  1. Of sound mind; mentally healthy.
Related formssaneness n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.