Definitions:

1. in a playfully devilish manner adverb
   • the socialists are further handicapped if they believe that capitalists are not only wicked but also devilishly clever
2. showing the cunning or ingenuity or wickedness typical of a devil adjective
   • devilish schemes

Synonyms:

• devilishly
• diabolic
• rascally
• roguish

NearBy Words:

• devilishly