1. (

• diabolically ,
• devilishly ,
• fiendishly

) as a devil; in an evil manner; "his writing could be diabolically satiric" ;

2. (

• devilishly ,
• devilish

) in a playfully devilish manner; "the socialists are further handicapped if they believe that capitalists are not only wicked but also devilishly clever" ;

3. (

• madly ,
• insanely ,
• deadly ,
• deucedly ,
• devilishly ,

) (used as intensives) extremely; "she was madly in love"; "deadly dull"; "deadly earnest"; "deucedly clever"; "insanely jealous" ;