RASCALLY
rascally, roguish, scoundrelly, blackguardly
(adjective) 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”
devilish, rascally, roguish
(adjective) playful in an appealingly bold way; “a roguish grin”
Source: WordNet® 3.1
Etymology
Adjective
rascally (comparative more rascally, superlative most rascally)
Like a rascal.
Adverb
rascally (comparative more rascally, superlative most rascally)
In the manner of a rascal.
Anagrams
• scalarly
Source: Wiktionary
Ras"cal*ly, a.
Definition: Like a rascal; trickish or dishonest; base; worthless; -- often
in humorous disparagement, without implication of dishonesty.
Our rascally porter is fallen fast asleep. Swift.
Source: Webster’s Unabridged Dictionary 1913 Edition