Definition of "fast" [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)

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.

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."