illégal — meaning in English French → English · translate English → French instead English meaning illegal adjective Against the law; not authorised or permitted by legislation. unlawful adjective Against the law; not legally permitted. Senses illégal is used for these senses in English: illegal Contrary to, forbidden, or not authorized by law, especially criminal law. unlawful (law) Prohibited; not permitted by law (either civil or criminal law; see illegal) Related French words illicite