Rebuff

Webster's Dictionary of the English Language

·noun Repercussion, or beating back; a quick and sudden resistance.

II. Rebuff ·noun Sudden check; unexpected repulse; defeat; refusal; repellence; rejection of solicitation.

III. Rebuff ·vt To beat back; to offer sudden resistance to; to Check; to repel or repulse violently, harshly, or uncourteously.