enjoin /ɛnˈd͡ʒɔɪn/ verb3 •To prescribe under authority; to ordain.They [the Noahide laws] also enjoin the establishment of a just system of laws and courts. — 2001 •(literary) To lay upon, as an order or command; to give an injunction to; to direct with authority; to order; to charge.I am enjoin'd by oath to observe three things: — 1596 •To prohibit or restrain by a judicial order or decree; to put an injunction on.the judicial power of the United States had no power to enjoin the executive branch of the government from the execution of a constitutional duty or of a constitutional law — 1826 formsenjoined · enjoining · enjoineth · enjoins · enjoinest