rebuffn.[It. ribuffo, akin to ribuffare to repulse; pref. ri- (L. re-) + buffo puff. Cf. Buff to strike, Buffet a blow.]1. Repercussion, or beating back; a quick and sudden resistance.()The strong rebuff of some tumultuous cloud. (Milton.)2. Sudden check; unexpected repulse; defeat; refusal; repellence; rejection of solicitation.()v. t. To beat back; to offer sudden resistance to; to check; to repel or repulse violently, harshly, or uncourteously.()