superinjunctionnoun [ C ]
uk/ˌsuː.pə.rɪnˈdʒʌŋk.ʃən//ˌsuː.pɚ.ɪnˈdʒʌŋk.ʃən/in the UK, an injunction (= an official order given by a court of law) that stops information about an issue being made public, and also stops the media from saying that an injunction exists and who is involved in the issue:
Should the courts be reintroducing superinjunctions so the press can’t even report on the fact that an injunction has been granted?