build up

phrasal verb·5 senses·particle up

Usefulness
Registerbusinesscasual

Meanings

1

Gradually increase in amount, strength or intensity

Why “up”? More of something is higher. Quantity, intensity and speed all rise.

Pressure has been building up for months.
Pressure has been gradually increasing for months.
Dust built up on the shelves over the week.
More and more dust collected on the shelves during the week.
2

Develop or strengthen something over time

Why “up”? A new thing appears or is made.

She built up a successful business.
She gradually developed a successful business.
He built up his strength after the illness.
He gradually developed his strength after the illness.
3

Make someone or something seem more important or impressive than they are

Why “up”? Something is made neater, better-looking, more impressive, or more appealing.

The press built him up as a future president.
The press promoted him as if he were a future president.
The trailer built the film up as the year's biggest hit.
The trailer made the film seem more exciting and successful than it was.
4

Encourage or strengthen someone emotionally

Increaseuncommon
Praise builds children up.
Praise gives children confidence and strength.
Her coach built her up after the loss.
Her coach encouraged her and gave her confidence after the loss.
5

Create momentum towards a moment or event

The film builds up to a dramatic ending.
The film gradually becomes more exciting before its dramatic ending.
The music built up before the final chorus.
The music gradually became stronger before the final chorus.

Common mistake

We need to build up of our savings.

We need to build up our savings.

Build up takes the object directly — no of.

Natural collocations

The word partners “build up” most often appears with — learn the phrase, not just the verb.

build up strengthbuild up a businessa build-up of pressure

Don't confuse with

build upbuild in

Build up means gradually increase in amount, strength or intensity. Build in means include something as a permanent part of a design.

Test yourself

Pressure has been building up for months. What does it mean?

Nearby in the meaning map

Sink In connects verbs by particle pattern, contrast pairs, and shared base verbs.

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