Un·na·ture v. t. To change the nature of; to invest with a different or contrary nature. [Obs.]
A right heavenly nature, indeed, as if were unnaturing them, doth so bridle them [the elements]. --Sir P. Sidney.
Un·na·ture, n. The contrary of nature; that which is unnatural. [R.]
So as to be rather unnature, after all, than nature. --H. Bushnell.