Adverbs for Rascally

reprehensibly; treacherously; dishonestly; unregenerately; inveterately; bitterly; mischievously; outrageously; outlandishly; incorrigibly; unmanageably; fearfully; maliciously; boyishly; trickily; craftily; shamefully; smoothly; atrociously; detestably; insidiously; contemptibly; singularly; appallingly; hatefully.