Adverbs for Stupid

callously; carelessly; hopelessly; unpardonably; inexplicably; innately; soddenly; sullenly; grossly; direly; blankly; abysmally; strangely; unutterably; vacuously; ridiculously; oddly; peculiarly; curiously; unaccountably; irritatingly; vexatiously; shockingly; fatally.