|1.||[ adjective ] showing the cunning or ingenuity or wickedness typical of a devil|
|Synonyms:||diabolical mephistophelian mephistophelean diabolic|
"devilish schemes" "the cold calculation and diabolic art of some statesmen" "the diabolical expression on his face" "a mephistophelian glint in his eye"
|2.||[ adverb ] in a playfully devilish manner|
"the socialists are further handicapped if they believe that capitalists are not only wicked but also devilishly clever"
|3.||[ adjective ] playful in an appealingly bold way|
"a roguish grin"