build up — 4 meanings

One phrase, 4 meanings. Learn them one at a time, then test yourself.

phrasal verb4 meanings

Meaning 1 · most common

increase gradually

  • build up sth

To make something become larger or greater over time, often slowly.

How oftenCommon
LevelB1
Used inSpeech & writing

Examples

If you save a little money each month, your savings will build up over time.

A: Why is there so much traffic today?
B: It tends to build up around 5 p.m. when everyone leaves work.

Common mistake

Not: Pressure builds up slowly over the time.

Say: Pressure builds up slowly over time.

'Over time' — no 'the'.

More on “increase gradually”Another example · Tell it apart · Goes with · Tip

Another example

During the exam period, stress can build up if you don't take breaks.

Tell it apart

It builds up gradually.

  • slow, steady increase

It shoots up suddenly.

  • sharp, abrupt rise

Goes with

  • build up + over time
Practice saying this
Next meaning: develop strength or confidence

Meaning 2

develop strength or confidence

  • build up sth

To gradually make someone or something stronger, healthier, or more confident.

How oftenCommon
LevelB2
Used inSpeech & writing

Examples

Regular exercise can help you build up your strength after an illness.

A: I'm nervous about the presentation.
B: Don't worry, each time you practice, you'll build up your confidence.

Common mistake

Not: I'm trying to build up my confident.

Say: I'm trying to build up my confidence.

It's the noun 'confidence', not the adjective 'confident'.

More on “develop strength or confidence”Another example · Tell it apart · Goes with · Tip

Another example

Joining group discussions is a good way to build up your speaking skills in English.

Tell it apart

build up your confidence

  • develop it gradually

knock your confidence

  • damage it

Goes with

  • build up + strength/confidence
Practice saying this
Next meaning: praise or promote

Meaning 3

praise or promote

  • build sb/sth up
  • informal

To talk about someone or something in a very positive way to make them seem important or impressive.

How oftenNow and then
LevelB2
Used inMostly spoken

Examples

The manager really built up the new project in the meeting.

A: Everyone says Tom is amazing at his job.
B: Yeah, his boss really builds him up.

Common mistake

Not: They built up it too much.

Say: They built it up too much.

With a pronoun, the object goes in the middle: 'build it up'.

More on “praise or promote”Another example · Tell it apart · Goes with · Tip

Another example

Sometimes, companies build up their products to attract more customers.

Tell it apart

They built it up.

  • hyped it / praised it in advance

They played it down.

  • downplayed it, made it seem less

Goes with

  • build up + hype
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Next meaning: create suspense

Meaning 4

create suspense

  • build up sth

To gradually increase tension, anticipation, or excitement, especially in a story, conversation, or event, so that people are eager to see what happens next.

How oftenNow and then
LevelC1
Used inSpeech & writing

Examples

The director skillfully built up suspense throughout the film, keeping the audience on the edge of their seats.

A: Did you enjoy the novel?
B: Absolutely. The way the author built up the tension before the final reveal was brilliant.

Common mistake

Not: The story builds up a suspense.

Say: The story builds up the suspense. / builds suspense.

Usually 'build up the tension/suspense' — no 'a'.

More on “create suspense”Another example · Tell it apart · Goes with · Tip

Another example

In effective presentations, speakers often build up anticipation before delivering their main point, which helps to engage the audience.

Tell it apart

It builds up the tension.

  • creates suspense, makes you wait

It releases the tension.

  • lets it all out

Goes with

  • build up + tension
Practice saying this
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