Adjective: rascally rãs-ku-lee
- Lacking principles or scruples
"the rascally rabble";
- roguish, scoundrelly, blackguardly
- Playful in an appealingly bold way
"a rascally grin";
- devilish, roguish
See also: dishonest, dishonorable [US], dishonourable [Brit, Cdn], ludic [formal], playful