to become greater, more powerful or larger in number :
All the pressure built up and he was off work for weeks with stress.
The music builds up to a rousing climax.
—related noun build-up (1)
to become greater, more powerful or larger in number :
All the pressure built up and he was off work for weeks with stress.
The music builds up to a rousing climax.
—related noun build-up (1)
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005