Definition of “build-up” - Learner’s Dictionary


noun [ singular ] uk us /ˈbɪldʌp/

a slow increase in something:

the build-up of traffic
the build-up to sth UK

the period of preparation before something happens:

There was a lot of excitement in the build-up to the Olympics.

(Definition of “build-up” from the Cambridge Learner's Dictionary © Cambridge University Press)