1. (

• devilish ,
• rascally ,
• roguish

) playful in an appealingly bold way; "a roguish grin" ;

2. (

• rascally ,
• roguish ,
• scoundrelly ,
• blackguardly

) lacking principles or scruples; "the rascally rabble"; "the tyranny of a scoundrelly aristocracy" - W.M. Thackaray; "the captain was set adrift by his roguish crew" ;