<p><strong>Adjective</strong></p><ul><li>contrary to the laws or course of nature.</li><li>at variance with the character or nature of a person, animal, or plant.</li><li>at variance with what is normal or to be expected: the unnatural atmosphere of the place.</li><li>Synonyms: aberrant, irregular</li><li>lacking human qualities or sympathies; monstrous; inhuman: an obsessive and unnatural hatred.</li><li>Synonyms: brutal, heartless</li><li>not genuine or spontaneous; artificial or contrived: a stiff, unnatural manner.</li><li>Obsolete: lacking a valid or natural claim; illegitimate.</li></ul>