un·nat·u·ral 
/ˌʌnˈnætʃərəl/ adjective
/ˌʌnˈnætʃərəl/ adjective [more unnatural; most unnatural] : not natural: such as a : different from how things usually are in the physical world or in nature
▪ It seems unnatural to keep the bird in a cage. ▪ an unnatural color ▪ deaths from unnatural causes [=deaths caused by things other than old age or disease]
b : different from what is normal in a way that is seen as wrong, disturbing, etc.
▪ He thought that it was unnatural [=abnormal] for a boy to enjoy ballet. ▪ She has an unnatural obsession with money.
c : not real
▪ Her smile looked forced and unnatural. ▪ The movie's dialogue sounded so unnatural [=fake] to me.
▪ It seems unnatural to keep the bird in a cage. ▪ an unnatural color ▪ deaths from unnatural causes [=deaths caused by things other than old age or disease]
b : different from what is normal in a way that is seen as wrong, disturbing, etc.
▪ He thought that it was unnatural [=abnormal] for a boy to enjoy ballet. ▪ She has an unnatural obsession with money.
c : not real
▪ Her smile looked forced and unnatural. ▪ The movie's dialogue sounded so unnatural [=fake] to me.
— un·nat·u·ral·ly adverb
▪ unnaturally high levels of cholesterol ▪ grew to an unnaturally large size
▪ unnaturally high levels of cholesterol ▪ grew to an unnaturally large size
