unnatural

英[ʌn'nætʃ(ə)r(ə)l] 美[ʌn'nætʃrəl]

1. not in accordance with or determined by nature; contrary to nature;

"an unnatural death"

"the child's unnatural interest in death"

2. speaking or behaving in an artificial way to make an impression

3. distorted and unnatural in shape or size; abnormal and hideous;

"tales of grotesque serpents eight fathoms long that churned the seas"

"twisted into monstrous shapes"