REBEL. A citizen or subject who unjustly and unlawfully takes up arms against the constituted authorities of the nation, to deprive them of the supreme power, either by resisting their lawful and constitutional orders, in some particular matter, or to impose on them conditions. Vattel, Droit des Gens, liv. 3, §328. In another sense it signifies a refusal to obey a superior, or the commands of a court. Vide Commission of Rebellion.