— devilishly , adv. — devilishness , n.
/dev"euh lish, dev"lish/ , adj.
1. of, like, or befitting a devil; diabolical; fiendish.
2. extreme; very great: a devilish mess.
adv.
3. excessively; extremely: He's devilish proud.
[ 1400-50; late ME. See DEVIL, -ISH 1 ]
Syn. 1. satanic, demoniac, infernal.