fast Meaning in the Cambridge English Dictionary Cambridge dictionaries logo
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of “fast” in the English Dictionary

"fast" in British English

See all translations

fastadjective

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

A1 moving or happening quickly, or able to move or happen quickly: fast cars a fast swimmer Computers are getting faster all the time.UK The fast train (= one that stops at fewer stations and travels quickly) to London takes less than an hour.
If your watch or clock is fast, it shows a time that is later than the correct time.
specialized art used to refer to photographic film that allows you to take pictures when there is not much light or when things are moving quickly
fast and furious
used to describe something that is full of speed and excitement: It's not a relaxing movie - it's pretty fast and furious.

expend iconexpend iconMore examples

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 prisoners began a fast in protest about prison conditions.

fastverb [I]

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

"fast" in American English

See all translations

fastadjective [-er/-est only]

us   /fæst/
moving or happening quickly or able to move or happen quickly: a fast car The fastest way to get there is by plane.
If your watch or clock is fast, it shows a time later than the real time.

fastadjective, adverb [not gradable]

us   /fæst/
connected or attached in a way that is not easily unfastened: 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 sundown tomorrow.
fast
noun [C] us   /fæst/
They organized a fast to draw attention to the issue of hunger.

fastadverb [-er/-est only]

us   /fæst/
quickly: The accident was caused by people driving too fast in bad conditions. This type of wilderness area is disappearing fast.
(Definition of fast from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of fast?
Add Cambridge dictionaries to your browser to your website
Watching the detectorists
Watching the detectorists
by ,
May 31, 2016
by Colin McIntosh You could be forgiven for thinking that old-fashioned hobbies that don’t involve computers have fallen out of favour. In fact, nothing could be further from the truth. If anything, the internet has made it easier for people with specialist hobbies from different corners of the world to come together to support one another

Read More 

Word of the Day

biodegrade

to decay naturally and in a way that is not harmful

Word of the Day

decision fatigue noun
decision fatigue noun
May 30, 2016
a decreased ability to make decisions as a result of having too many decisions to make Our brains have a finite number of decisions they can make before they get depleted and become less discerning – so this is called decision fatigue.

Read More