Adverbs for Faithless

perfidiously; cunningly; insidiously; surreptitiously; dreadfully; unbelievably; unexpectedly; direly; disastrously; shamefully; shamelessly; terribly; abominably; timorously; basely; faint-heartedly; brazenly, coolly; openly; obdurately; detestably; execrably; audaciously; perversely; hypocritically; evasively; artfully.