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 atmosphereMore 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.
- 2A period of excitement and preparation before a significant event: the build-up to ChristmasMore 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.