fəˈsinərəs adjective
also fac·i·ne·ri·ous ˌfasəˈnirēəs
Etymology: Latin facinorosus, facinerosus, from facinor-, facinus deed, evil deed, crime (from facere to do) + -osus -ous — more at do
archaic : atrociously wicked : infamous
• fa·cin·o·rous·ness noun -es archaic