irresponsible(not responsible; not subject to responsibility) adjective [UK: ˌɪ.rɪ.ˈspɒn.səb.l̩] [US: ɪ.rə.ˈspɑːn.səb.l̩]You're irresponsible. = Lei è irresponsabile.
irresponsabilenoun {m}
cop-out(a person who cops out) noun [UK: ˈkɒp aʊt] [US: ˈkɒp aʊt]