verb (used with object), dis·na·tured, dis·na·tur·ing.
  1. to deprive (something) of its proper nature or appearance; make unnatural.

Origin of disnature

1400–50; late Middle English < Anglo-French, Middle French desnaturer, equivalent to des- dis-1 + -naturer, verbal derivative of nature nature
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018