simple past tense and past participle of unnature

(obsolete, transitive) To change the nature of; to invest with a different or contrary nature.

That which is contrary to nature; the unnatural.

Not naturalized.

present participle of unnaturalize

Third-person singular simple present indicative form of unnaturalize

(transitive, rare) To make unnatural.

(evolutionary theory, rare, sometimes humorous or derogatory) The selection of certain genes caused by the actions of humans, especially the intentional intervention in the breeding of plants or animals in order to preserve selected genetic traits; eugenics, selective breeding or culling.