from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Not in accordance with what usually occurs in nature.
  • adjective Not included in nature; artificial.
  • adjective Deviating from a behavioral or social norm.
  • adjective Brutal or unfeeling.
  • adjective Stilted, affected, or awkward.

from The Century Dictionary.

  • Not natural; contrary to nature; monstrous; especially, contrary to the natural feelings: as, unnatural offenses.
  • Acting without the affections of our common nature; not having the feelings natural to humanity; being without natural instincts: as, an unnatural parent.
  • Not in conformity to nature; not agreeable to the real character of persons or things; not representing nature; forced; strained; affected; artificial: as, unnatural images or descriptions.
  • =Syn. 1-3. Preternatural, etc. See supernatural.
  • Artificial, etc. See factitious.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Not natural; contrary, or not conforming, to the order of nature; being without natural traits.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Not natural; supernatural or artificial.
  • adjective Not occuring in the environment or atmosphere
  • adjective dated Going against nature; perverse.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective not normal; not typical or usual or regular or conforming to a norm
  • adjective speaking or behaving in an artificial way to make an impression
  • adjective not in accordance with or determined by nature; contrary to nature


from Wiktionary, Creative Commons Attribution/Share-Alike License

un- +‎ natural


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