Build up Meaning in English
expression
Definition
To increase something gradually over time, such as strength, amount, or tension. It can also mean to make something stronger, bigger, or more developed.
Usage & Nuances
Informal to neutral. Common with abstract nouns: 'build up courage', 'build up pressure'. Can refer to both physical (muscles, money) and non-physical things (tension, excitement). Not the same as 'build' (physical construction). Often used in passive ('is building up').
Example Sentences
You need to build up your confidence before the interview.
basic
We must build up our savings if we want to travel.
basic
Clouds build up before it rains.
basic
Tension started to build up during the meeting.
natural
He slowly built up trust with his team over time.
natural
If you don't clean regularly, dust will build up everywhere.
natural