rigidly(in a rigid manner) adverb [UK: ˈrɪ.dʒɪd.li] [US: ˈrɪ.dʒəd.li]
stiffly(in a stiff manner) adverb [UK: ˈstɪ.fli] [US: ˈstɪ.fli]
strictly(in a strict manner) adverb [UK: ˈstrɪ.kli] [US: ˈstrɪkt.li]Plagiarism in America is strictly punished. = Il plagio in America è rigidamente punito.