build up (sth)

— Phrasal Verb with build

/bɪld/ verb (built, built)

Definition

› [I or T] to increase in quantity, or to add more of something so it increases in quantity: build up shares/stock/wealth At this time of year, stores are building up stock for Christmas.build up experience/success/achievements She joined the company in 2000 and has built up considerable experience in marketing.

(Definition of build up (sth) from the Cambridge Business English Dictionary © Cambridge University Press)