adjective un·sane \"+\

Definition of unsane

  1. :  lacking in sanity people are unsane when their mental maps of reality are slightly out of correspondence with the real world — Martin Gardner the noble but somewhat unsane faith that by some principle of truth men can be conditioned to perfectly rational behavior — H. J. Muller

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Seen and Heard

What made you want to look up unsane? Please tell us where you read or heard it (including the quote, if possible).


feeling or affected by lethargy

Get Word of the Day daily email!