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English definition of “fast”

fast

adjective 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. The fast train (= one that stops at fewer stations and travels quickly) to London takes less than an hour.Fast and rapidShort in time If your watch or clock is fast, it shows a time that is later than the correct time.Watches and clocks specialized art describes photographic film that allows you to take pictures when there is not much light or when things are moving quicklyPhotography fast and furious describes something that is full of speed and excitement: It's not a relaxing film - it's pretty fast and furious.Exciting and interesting

fast adjective (IMMORAL)

old-fashioned disapproving without moral principles: a fast crowd a fast womanMorally wrong and evilDishonest

fast adjective (FIXED)

If the colour of a piece of clothing is fast, the colour does not come out of the cloth when it is washed.Paints, dyes and pigmentsColour - general wordsWords used to describe textilesContinuous and permanent

fast

fast

adverb, adjective uk   /fɑːst/ us    /fæst/

fast

noun [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.Diets and dieting

fast

verb [I] uk   /fɑːst/ us    /fæst/
to eat no food for a period of time: One day a week he fasts for health reasons.Abstaining and refrainingDiets and dieting
(Definition of fast from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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