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Meaning of “fast” in the English Dictionary

"fast" in British English

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fastadjective

uk   /fɑːst/  us   /fæst/
  • fast adjective (QUICK)

A1 moving or ​happeningquickly, or ​able to ​move or ​happenquickly: fast ​cars a fast ​swimmer Computers are getting faster all the ​time.UK The fast ​train (= one that ​stops at fewer ​stations and ​travelsquickly) to London ​takes less than an ​hour.
If ​yourwatch or ​clock is fast, it ​shows a ​time that is ​later than the ​correcttime.
specialized art used to refer to ​photographicfilm that ​allows you to take ​pictures when there is not much ​light or when things are ​movingquickly
fast and furious
used to ​describe something that is ​full of ​speed and ​excitement: It's not a ​relaxingmovie - it's ​pretty fast and ​furious.

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fastadverb

uk   /fɑːst/  us   /fæst/

fastadverb, adjective

uk   /fɑːst/  us   /fæst/

fastnoun [C]

uk   /fɑːst/  us   /fæst/
a ​period of ​time when you ​eat no ​food: Hundreds of ​prisonersbegan a fast in ​protest about ​prisonconditions.

fastverb [I]

uk   /fɑːst/  us   /fæst/
(Definition of fast from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"fast" in American English

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fastadjective [-er/-est only]

 us   /fæst/
moving or ​happeningquickly or ​able to move or ​happenquickly: a fast ​car The fastest way to get there is by ​plane.
If ​yourwatch or ​clock is fast, it ​shows a ​timelater than the ​realtime.

fastadjective, adverb [not gradable]

 us   /fæst/
connected or ​attached in a way that is not ​easilyunfastened: Tie the ​boat fast to the ​pier.

fastverb [I]

 us   /fæst/
  • fast verb [I] (NOT EAT)

to have a ​period of ​time when you ​eat no ​food: We will be fasting until ​sundowntomorrow.
fast
noun [C]  us   /fæst/
They ​organized a fast to ​drawattention to the ​issue of ​hunger.

fastadverb [-er/-est only]

 us   /fæst/
quickly: The ​accident was caused by ​peopledriving too fast in ​badconditions. This ​type of ​wildernessarea is ​disappearing fast.
(Definition of fast from the Cambridge Academic Content Dictionary © Cambridge University Press)
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