| adjective | showing the cunning or ingenuity or wickedness typical of a devil “devilish schemes” |
| adjective | playful in an appealingly bold way “a roguish grin” |
| adverb | in a playfully devilish manner “the socialists are further handicapped if they believe that capitalists are not only wicked but also devilishly clever” |
| devil | noun | a rowdy or mischievous person (usually a young man) |
| Mephistopheles | noun | evil spirit to whom Faust sold his soul |
| rascal | noun | one who is playfully mischievous |
| roguishness | noun | the trait of indulging in disreputable pranks |