[adverb] in a playfully devilish manner; "the socialists are further handicapped if they believe that capitalists are not only wicked but also devilishly clever" Synonyms:ly
[adjective] showing the cunning or ingenuity or wickedness typical of a devil; "devilish schemes"; "the cold calculation and diabolic art of some statesmen"; "the diabolical expression on his face"; "a mephistophelian glint in his eye" Synonyms:diabolic, diabolical, mephistophelian, mephistophelean
[adjective] playful in an appealingly bold way; "a roguish grin" Synonyms:rascally, roguish
