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fast - definition and synonyms


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adverb fast pronunciation in British English /fɑːst/
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  1. 1
    We drove as fast as we could to the hospital.
    I can’t run very fast.
    Can’t you work any faster?
    Synonyms and related words
    1. a.
      over a short period of time
      The business has grown very fast.
      fast becoming/developing/disappearing etc: This company is fast becoming a major exporter of computer software.
      Synonyms and related words
    2. b.
      without waiting or delaying
      You need to get help fast!
      We got there as fast as we could.
  2. 2
    firmly and strongly or tightly
    She held fast to the railings and refused to move.
    The van was stuck fast in the mud.



a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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