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

devilish \dev"ilish\, a.
   1. resembling, characteristic of, or pertaining to, the
      devil; diabolical; wicked in the extreme. "devilish
      wickedness." --sir p. sidney.
      1913 webster

            this wisdom descendeth not from above, but is
            earthly, sensual, devilish.           --james iii.
                                                  15.
      1913 webster

   2. extreme; excessive. colloq. --dryden.

   syn: diabolical; infernal; hellish; satanic; wicked;
        malicious; detestable; destructive. -- dev"ilishly,
        adv. -- dev"ilishness, n.
        1913 webster
see also:
dev"ilishly dev"ilishness 

[2] : WordNet (r) 2.0

devilishly
     adv 1: as a devil; in an evil manner; "his writing could be
            diabolically satiric" syn: diabolically, fiendishly
     2: in a playfully devilish manner; "the socialists are further
        handicapped if they believe that capitalists are not only
        wicked but also devilishly clever" syn: devilish
     3: used as intensives extremely; "she was madly in love";
        "deadly dull"; "deadly earnest"; "deucedly clever";
        "insanely jealous" syn: madly, insanely, deadly, deucedly
see also:
diabolically fiendishly devilish madly insanely deadly 
deucedly 

Devilishly >> D Words
Devilishly, definition of term: Devilishly
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