turn up

phrasal verb·2 senses·particle up

Usefulness
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Meanings

1

Increase the setting on a machine or device

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

Turn up the brightness so we can see the screen.
Increase the screen brightness.
He turned the radio up when his favorite song started.
He made the radio louder.
2

Appear, often unexpectedly

Why “up”? A person, thing, signal, idea, or truth becomes present, visible, active, or known.

My keys turned up between the sofa cushions.
My keys were unexpectedly found between the sofa cushions.
Her missing passport turned up in a drawer.
Her missing passport unexpectedly appeared in a drawer.

Common mistake

He turned up to late.

He turned up late.

Turn up (arrive) is followed by an adverb like late — no to.

Natural collocations

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

turn up lateturn up unannouncedturn up the volume

Don't confuse with

turn upturn out

Turn up means make a control level higher. Turn out describes the final result.

turn upturn down

Turn up means appear, often unexpectedly. Turn down means reject or refuse an offer or request.

Test yourself

Turn up the brightness so we can see the screen. What does it mean?

Nearby in the meaning map

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

Tell it apart

Side-by-side comparisons with the verbs learners most often confuse for “turn up”.

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