Synonyms: rascally, blackguardly, scoundrelly, roguish
Definition: lacking principles or scruples
Usage: the rascally rabble; the tyranny of a scoundrelly aristocracy - W.M. Thackaray; the captain was set adrift by his roguish crew
Similar words: dishonest, dishonorable
Definition: deceptive or fraudulent; disposed to cheat or defraud or deceive
Synonyms: roguish, rascally, devilish
Definition: playful in an appealingly bold way
Usage: a roguish grin
Similar words: playful
Definition: full of fun and high spirits
Usage: playful children just let loose from school