Webster’s Revised Unabridged Dictionary · 1913
Expeditious
Ex′pe·di′tious (ĕks′pē·dĭsh′ŭs), a. Possessed of, or characterized by, expedition, or efficiency and rapidity in action; performed with, or acting with, expedition; quick; having celerity; speedily; as, an expeditious march or messenger. — Ex′pe·di′tious·ly, adv. — Ex′pe·di′tious·ness, n.
Syn. — Prompt; ready; speedy; alert. See Prompt.