cruelly◼◼◼(in a cruel manner) adverb [UK: ˈkrʊə.li] [US: ˈkruː.li]It's shameful to treat a child so cruelly. = Il est honteux de traiter un enfant si cruellement.
ruthlessly◼◻◻(in a ruthless manner) adverb [UK: ˈruːθ.lɪ.sli] [US: ˈruːθ.lə.sli]
heartlessly(in a heartless manner) adverb [UK: ˈhɑːt.lə.sli] [US: ˈhɑːrt.lə.sli]
wickedly(in a wicked manner) adverb [UK: ˈwɪk.ɪd.li] [US: ˈwɪk.əd.li]