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[spee-dee] /ˈspi di/
adjective, speedier, speediest.
characterized by speed; rapid; swift; fast.
coming, given, or arrived at quickly or soon; prompt; not delayed:
a speedy recovery.
Origin of speedy
First recorded in 1325-75, speedy is from the Middle English word spedy. See speed, -y1
Related forms
speedily, adverb
speediness, noun
overspeedily, adverb
overspeediness, noun
overspeedy, adjective
unspeedily, adverb
unspeediness, noun
unspeedy, adjective
1. quick. 2. expeditious. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for speediest
Contemporary Examples
Historical Examples
  • They were the speediest team in the country, and he had only three miles to go.

    The Law-Breakers Ridgwell Cullum
  • In any case, his was the speediest trip around the world ever made by man!

    Shipwreck in the Sky Eando Binder
  • The wish to be well, to live, an object to live for, are often the speediest restoratives.

    The Scalp Hunters Mayne Reid
  • He only sees the misery of his neighbor and the speediest means of relieving him.

    The Aesthetical Essays Friedrich Schiller
  • The speediest thoroughbred will sometimes run like a cart horse.

  • We are out to win this war in the speediest manner possible.

    John Brown Captain R. W. Campbell
  • By gad, he's the speediest thing that ever happened when it comes to a bike.

  • At a flash it occurred to me that I had here the safest and the speediest means of flight.

  • A statement was published recently that this was the speediest of all marine animals.

    Tropic Days E. J. Banfield
British Dictionary definitions for speediest


adjective speedier, speediest
characterized by speed of motion
done or decided without delay; quick
Derived Forms
speedily, adverb
speediness, 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
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Word Origin and History for speediest



Old English spedig "prosperous, wealthy;" meaning "moving swiftly" is from late 14c., from speed (n.) + -y (2). Related: Speedily; speediness. Speedy Gonzales, Warner Brothers studios cartoon mouse, debuted in 1953 short directed by Bob McKimson.

Online Etymology Dictionary, © 2010 Douglas Harper
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