devilishly

definition: (used as intensives) extremely
example:
speech part: adverb
synonyms: madly
definition: in a playfully devilish manner
example: the socialists are further handicapped if they believe that capitalists are not only wicked but also devilishly clever
speech part: adverb
synonyms: devilish
definition: as a devil
example:
speech part: adverb
synonyms: diabolically fiendishly

How devilishly is being used?