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block - definition and synonyms


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verb [transitive] block pronunciation in British English /blɒk/
Word Forms
present tense
present participleblocking
past tenseblocked
past participleblocked
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  1. 1



    block up

    to stop something from moving through or along something else
    A car was blocking the road.
    Something is blocking the flow of water through the pipe.
    1. a.
      to stop someone from going past you by standing in front of them
      block someone’s way/exit/path etc: A crowd of people blocked his way to the gate.
      He stood by the door, deliberately blocking her exit.
    2. b.
      to use your body to stop someone from hitting something, or to stop a ball from going somewhere
      She expertly blocked all her opponent’s punches.
      In blocking the goal shot, Mario sprained his shoulder.
  2. 2
    to be in front of someone so that they cannot see something or so that light cannot reach them
    Her hat was blocking his view of the screen.
    Don’t stand in the doorway, you’re blocking the light.
  3. 3
    to use your power to stop something from being done or from succeeding
    She accused him of blocking her promotion.
    The plan to build a new nursery school was blocked by local residents.
    1. a.
      to stop a natural process from happening
      The drug acts by blocking the release of testosterone.
  4. 4
    computing to mark a piece of writing or other information on a computer screen so you can do something with it
    You block a passage of text and hit Control+C to centre it on the page.


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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