a. Not natural; contrary, or not conforming, to the order of nature; being without natural traits; as, unnatural crimes. [ 1913 Webster ]
Syn. -- See Factitious. [ 1913 Webster ]
-- Un*nat"u*ral*ly, adv. -- Un*nat"u*ral*ness, n. [ 1913 Webster ]
v. t. To make unnatural. [ R. ] Hales. [ 1913 Webster ]