apathetic(void of feeling) adjective [UK: ˌæ.pə.ˈθe.tɪk] [US: ˌæ.pə.ˈθe.tɪk]I'm increasingly apathetic. = Sono sempre più apatico.
lackadaisical(showing no interest or enthusiasm) adjective [UK: ˌlæk.ə.ˈdeɪ.zɪk.l̩] [US: ˌlæk.ə.ˈdeɪ.zɪk.l̩]
listless(Lacking enthusiasm) adjective [UK: ˈlɪst.lɪs] [US: ˈlɪst.ləs]I feel listless and have a throbbing headache. = Mi sento apatico e ho un mal di testa pulsante.