Definition of build-up in English:

build-up

Line breaks: build-up

noun

[usually in singular]
1A gradual accumulation or increase, typically of something negative that leads to a problem: the build-up of carbon dioxide in the atmosphere
More example sentences
  • It's an inflammatory bone condition that causes a build-up of poisons that erupt into painful skin abscesses.
  • But the more it goes on, the more it encourages a build-up of household debt.
  • The use of sprays can lead to an indoor build-up of large quantities of carcinogenic vapours.
Synonyms
2A period of excitement and preparation before a significant event: the build-up to Christmas
More example sentences
  • This was reported when his Bulls teammate was at the centre of a race row in the build-up to last year's World Cup.
  • Parents undergo their own share of stress as the build-up to exam-time takes its toll.
  • In the build-up to the new season a contingent of York players took part in the Bradford Chess Congress.
Synonyms

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Word of the day grammarian
Pronunciation: grəˈmɛːrɪən
noun
a person who studies and writes about grammar