To speak wildly, irrationally, or incoherently. To move with great violence or intensity: The storm raved along the coast. To speak or write with wild enthusiasm: Critics raved about the new play. To attend a rave. The act or an instance of raving. Informal An extravagantly enthusiastic opinion or review: The play received raves. An all-night dance party, especially one at which techno, house, or other electronically synthesized music is played. Chiefly British A raucous party; a rave-up.