unnatural

[ uhn-nach-er-uhl, -nach-ruhl ]
/ ʌnˈnætʃ ər əl, -ˈnætʃ rəl /

adjective

contrary to the laws or course of nature.
at variance with the character or nature of a person, animal, or plant.
at variance with what is normal or to be expected: the unnatural atmosphere of the place.
lacking human qualities or sympathies; monstrous; inhuman: an obsessive and unnatural hatred.
not genuine or spontaneous; artificial or contrived: a stiff, unnatural manner.
Obsolete. lacking a valid or natural claim; illegitimate.

Origin of unnatural

late Middle English word dating back to 1375–1425; see origin at un-1, natural

OTHER WORDS FROM unnatural

un·nat·u·ral·ly, adverb un·nat·u·ral·ness, noun

Example sentences from the Web for unnaturalness

British Dictionary definitions for unnaturalness

unnatural
/ (ʌnˈnætʃərəl, -ˈnætʃrəl) /

adjective

contrary to nature; abnormal
not in accordance with accepted standards of behaviour or right and wrong unnatural love
uncanny; supernatural unnatural phenomena
affected or forced an unnatural manner
inhuman or monstrous; wicked an unnatural crime
obsolete illegitimate

Derived forms of unnatural

unnaturally, adverb unnaturalness, noun