from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. In violation of a natural law.
  • adj. Inconsistent with an individual pattern or custom.
  • adj. Deviating from a behavioral or social norm: an unnatural attachment.
  • adj. Contrived or constrained; artificial: smiled in an unnatural manner.
  • adj. In violation of natural feelings; inhuman.

from Wiktionary, Creative Commons Attribution/Share-Alike License

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

from the GNU version of the Collaborative International Dictionary of English

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

from The Century Dictionary and Cyclopedia

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

  • adj. not normal; not typical or usual or regular or conforming to a norm
  • adj. speaking or behaving in an artificial way to make an impression
  • adj. 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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