Adverb
not according to nature; not by natural means
in a manner at variance with what is natural or normal
in an unnatural way
Source: WordNetartificially induced conditions Source: Internet
The early Church not unnaturally adopted the position that failure to see the messianic character of his work was really caused by the people's own blindness Source: Internet
his other arm lay across his chest, unnaturally, as if placed there deliberately, for a purpose Source: Internet
Anthony decides to take this as a compliment: "Anthony remembered that they were white and always looked unnaturally hungry. Source: Internet
As Cunningham restores and rebuilds the car, he becomes unnaturally obsessed with it, with deadly consequences. Source: Internet
At the end of the race he came on extremely strong (and, as was later shown, unnaturally strong) to beat Mikhail Ivanov of Russia by 14.9 seconds. Source: Internet