Roguish

Adjective

 * 1) unprincipled or unscrupulous
 * 2) mischievous and playful

Adverbs for Roguish
mischievously; comically; lovably; rascally; innocently; merrily; teasingly; tormentingly; actively; ingeniously; inveterately; incurably; incorrigibly; naturally; wantonly; secretly; trickily; craftily; knavishly; particularly; villainously; peculiarly; singularly; notoriously.

Thesaurus
arch, base, blackguardly, degraded, devilish, elfish, elvish, foolish, full of mischief, high-spirited, impish, infamous, knavish, mischief-loving, mischievous, notorious, playful, prankish, pranksome, pranky, puckish, rascally, recreant, reprobate, scampish, scapegrace, scoundrelly, sportive, trickish, tricksy, tricky, vile, villainous, waggish

Etymology

 * rogue + -ish