build-up - definition and synonyms

noun [countable] [usually singular] 

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singularbuild-up
pluralbuild-ups
  1. 1
    a gradual increase in the amount or level of something

    The ‘greenhouse effect’ is caused by the build-up of carbon dioxide in the atmosphere.

  2. 2
    the time before an event when people are talking about it and preparing for it

    the build-up to the wedding

  3. 3
    a description of someone or something in which you make people think they are very good

    After such a huge build-up we were disappointed with her new boyfriend.