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Definition of "fast" []

  • Acting, moving, or capable of acting or moving quickly; swift. (adjective)
  • Accomplished in relatively little time: a fast visit. (adjective)
  • Acquired quickly with little effort and sometimes unscrupulously: made a fast buck scalping tickets. (adjective)
  • Quick to understand or learn; mentally agile: a class for the faster students. (adjective)
  • Indicating a time somewhat ahead of the actual time: The clock is fast. (adjective)
  • Acting or moving or capable of acting or moving quickly; swift (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • Accomplished in or lasting a short time (adjective)
  • Adapted to or facilitating rapid movement (adjective)
  • Requiring rapidity of action or movement (adjective)
  • (of a clock, etc) indicating a time in advance of the correct time (adjective)
  • Given to an active dissipated life (adjective)
  • Of or characteristic of such activity (adjective)
  • Not easily moved; firmly fixed; secure (adjective)
  • Firmly fastened, secured, or shut (adjective)
  • Steadfast; constant (esp in the phrase fast friends) (adjective)
  • (of a playing surface, running track, etc) conducive to rapid speed, as of a ball used on it or of competitors playing or racing on it (adjective)
  • That will not fade or change colour readily (adjective)
  • Proof against fading (adjective)
  • (in combination) (adjective)
  • Requiring a relatively short time of exposure to produce a given density (adjective)
  • Permitting a short exposure time (adjective)
  • (of a bowler) characteristically delivering the ball rapidly (adjective)
  • Glib or unreliable; deceptive (adjective)
  • Sound; deep (adjective)
  • A deceptive or unscrupulous trick (esp in the phrase pull a fast one) (adjective)
  • Quickly; rapidly (adverb)
  • Soundly; deeply (adverb)
  • Firmly; tightly (adverb)
  • In quick succession (adverb)
  • In advance of the correct time (adverb)
  • In a reckless or dissipated way (adverb)
  • (said by the field captain to archers) stop shooting! (exclamation)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "fast" in a sentence
  • "That's why students of the U.S. S.hool of Music get ahead twice as fast -- _three times as fast_ as those who study old-fashioned, plodding methods."
  • "_ (held) fast in his antagonist's clutch_, 637; fýrbendum fäst, _fast in the forged hinges_, 723; handa fäst, 1291, etc.; hygebendum fäst (beorn him langað), _fast (shut) in the bonds of his bosom, the man longs for_ (i.e. in secret), 1879."
  • "_ (held) fast in his antagonist's clutch_, 637; fȳrbendum fæst, _fast in the forged hinges_, 723; handa fæst, 1291, etc.; hygebendum fæst (beorn him langað), _fast (shut) in the bonds of his bosom, the man longs for_ (i.e. in secret), 1879."