adjective, speed·i·er, speed·i·est.

characterized by speed; rapid; swift; fast.
coming, given, or arrived at quickly or soon; prompt; not delayed: a speedy recovery.

Nearby words

  1. speedster,
  2. speedwalk,
  3. speedway,
  4. speedwell,
  5. speedwriting,
  6. speel,
  7. speer,
  8. speer, albert,
  9. speir,
  10. speiss

Origin of speedy

First recorded in 1325–75, speedy is from the Middle English word spedy. See speed, -y1

Related forms
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for speediness

  • This speediness on his part means that he uses up more energy, and hence needs more food, and he needs to assimilate it faster.

    Unexplored!|Allen Chaffee
  • The boy was clever and quick, but his speediness speedily degenerated into fastness.

    The Comic History of Rome|Gilbert Abbott Becket
  • If certainty be a main requisite, speediness is also necessary; lasting and cruel punishments harden but do not reclaim.

British Dictionary definitions for speediness


adjective speedier or speediest

characterized by speed of motion
done or decided without delay; quick
Derived Formsspeedily, adverbspeediness, 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 speediness



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