Expeditious

Adjective

 * 1) Fast, prompt, speedy.
 * 2) * 1815, Jane Austen, Emma, ch. 38,
 * Our coachman and horses are so extremely expeditious!—I believe we drive faster than any body.
 * 1)  Completed or done with efficiency and speed; facilitating speed.
 * 2) * 1816, Sir Walter Scott, The Antiquary, vol. 1, ch. 7,
 * As they thus pressed forward, longing doubtless to exchange the easy curving line, which the sinuosities of the bay compelled them to adopt, for a straighter and more expeditious path, Sir Arthur observed a human figure on the beach.
 * 1) * 1844, William Makepeace Thackeray, Barry Lyndon, ch. 14,
 * Now, there was a sort of rough-and-ready law in Ireland in those days, which was of great convenience to persons desirous of expeditious justice.

Related terms

 * expedite
 * expeditiously

Adverbs for Expeditious
earnestly; smartly; briskly; alertly; eagerly; intently; resolutely; vigorously; actively; energetically; uncommonly;   highly; miraculously.

Thesaurus
agile, alacritous, alert, apt, breakneck, brisk, cursory, dashing, decisive, diligent, dispatchful, double-quick, eagle-winged, effective, effectual, efficacious, efficient, express, fast, festinate, feverish, fleet, flying, furious, galloping, hair-trigger, hasty, headlong, hurried, hustling, immediate, instant, instantaneous, last-minute, light of heel, light-footed, lively, mercurial, nimble, nimble-footed, on the spot, passing, precipitate, prompt, punctual, quick, quick as lightning, quick as thought, rapid, ready, reckless, running, sharp, slap-bang, slapdash, smart, snap, snappy, spanking, speedy, spry, summary, superficial, swift, urgent, winged