W: (adj) rascally [Related to: rascal] (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"
S: (adj) 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"