Reverse Dictionary: UNNATURAL

ADJECTIVES
1508 ELDRITCH unnatural, weird, ghostly; frightful, hideous, ghastly, fearful, terrible → Sc.
1595 — ABORTIVE unnatural; monstrous or freakish → obs.
1654 CATAPHYSIC contrary to nature → obs.
1838 YIRLICH unnatural, wild → Sc. obs.
1839 CATAPHYSICAL unnatural, against nature 
1891 UNKIND unnatural → Eng. dial.
1905 UNKINDLY unnatural; unthriving; undesirable → Eng. dial. (Bk.)
1905 UNNATURABLE unnatural, unfeeling → Eng. dial. (Bk.)