[1] : The Collaborative International Dictionary of English v.0.48

unnatural \unnat"ural\ ?; 135, 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 -- unnat"urally, adv. --
        unnat"uralness, n.
        1913 webster
see also:
factitious unnat"urally unnat"uralness 

[2] : WordNet (r) 2.0

unnaturally
     adv 1: in an unnatural way; "his other arm lay across his chest,
            unnaturally, as if placed there deliberately, for a
            purpose" ant: naturally
     2: not according to nature; not by natural means; "artificially
        induced conditions" syn: artificially, by artificial
        means ant: naturally
     3: not as might be expected; "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" ant: naturally
see also:
naturally artificially by artificial means 

Unnaturally >> U Words
Unnaturally, definition of term: Unnaturally
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