characterized by promptness; quick: an expeditious answer to an inquiry.

Origin of expeditious

First recorded in 1590–1600; exped(ition) + -itious
Related formsex·pe·di·tious·ly, adverbex·pe·di·tious·ness, nounnon·ex·pe·di·tious, adjectivenon·ex·pe·di·tious·ly, adverbnon·ex·pe·di·tious·ness, nounun·ex·pe·di·tious, adjectiveun·ex·pe·di·tious·ly, adverbun·ex·pe·di·tious·ness, noun

Synonyms for expeditious

Antonyms for expeditious

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British Dictionary definitions for expeditious



characterized by or done with speed and efficiency; prompt; quick
Derived Formsexpeditiously, adverbexpeditiousness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for expeditious

late 15c., expedycius "useful, fitting," from Latin expeditus "disengaged, ready, prompt," past participle of expidere (see expedite). Meaning "speedy" is from 1590s. Related: Expeditiously; expeditiousness.

Online Etymology Dictionary, © 2010 Douglas Harper