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Definition of swift adjective from the Oxford Advanced Learner's Dictionary

swift

adjective
 
/swɪft/
 
/swɪft/
(comparative swifter, superlative swiftest)
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  1. happening or done quickly and immediately; doing something quickly
    • swift action
    • a swift decision
    • He rose to his feet in one swift movement.
    • swift to do something The White House was swift to deny the rumours.
    Oxford Collocations Dictionaryverbs
    • be
    adverb
    • extremely
    • fairly
    • very
    See full entry
  2. moving very quickly; able to move very quickly
    • a swift current
    • a swift runner
    Which Word? fast / quick / rapidfast / quick / rapidThese adjectives are frequently used with the following nouns:
    fast ~quick ~rapid ~
    carglancechange
    trainlookgrowth
    bowlerreplyincrease
    pacedecisiondecline
    lanewayprogress
    • Fast is used especially to describe a person or thing that moves or is able to move at great speed.
    • Quick is more often used to describe something that is done in a short time or without delay.
    • Rapid, swift and speedy are more formal words.
    • Rapid is most commonly used to describe the speed at which something changes. It is not used to describe the speed at which something moves or is done:
      • a rapid train
      • We had a rapid coffee.
    • Swift usually describes something that happens or is done quickly and immediately:
      • a swift decision
      • The government took swift action.
    • Speedy has a similar meaning:
      • a speedy recovery.
      It is used less often to talk about the speed at which something moves:
      • a speedy car.
    Oxford Collocations Dictionaryverbs
    • be
    adverb
    • extremely
    • fairly
    • very
    See full entry
  3. Word OriginOld English (as an adjective), from the Germanic base of Old English swīfan ‘move in a course, sweep’. The bird name dates from the mid 17th cent.
See swift in the Oxford Advanced American Dictionary

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