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to shut off

to shut off

83 2.6
Stop something from working by using a switch or valve
  • phrasal verb
  • /ʃʌt ɔf/
translation icon : apagar
  • He decided to shut off the water supply while fixing the leaky pipe.
  • shut off the water
  • shut off the power
  • shut off the light

They're just it's like OK, park your boat, shut off the light.

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Examples

  • Just shut off the engine.

  • And that pump shut off and the heat transfer stopped.

  • If not, you need to shut off the gas first thing you need to do.

  • We have to shut off the power!

  • What you do is you shut off the lights in your room at this time of day.

    Fiction book (1990)
  • I'm going to have to shut off my cell phone.

  • I would like the electricity shut off at this residence.

  • So with the pumps shut off, they had a strong increase in the drill pipe pressure.

  • And rightly so, because the electric current had been shut off in Moses's house.

    Fiction book (1990)
  • The immigration quota system established in the 1920s effectively shut off European immigration, but did not apply to Mexico.

    Academic text (2003)

Synonyms

to turn off
vsto shut off
631 1.3

To stop a machine or device from working with a switch

stops flow or operation also via valves and other controls
to cut off
vsto shut off
620 3.8

To stop something suddenly before it is finished

is more about controlled stopping using switches, valves, or controls
to shut down
vsto shut off
541 2.9

Stop a machine, business, or system from working

is narrower, emphasising immediate control of flow or operation via valves
to halt
vsto shut off
206 2.4

To stop moving or make something stop moving

is specifically about stopping flow or machine operation using controls
to pull the plug
vsto shut off
87 5.5

To stop something from going on by removing support like money

is about directly stopping flow or operation with a device or valve
to deactivate
vsto shut off
63 3.9

To make a device, system, or account stop working

focuses specifically on stopping flow or operation using controls or valves
to switch off
vsto shut off
37 1.1

To stop a machine or light by using a control such as a button

is broader, also including valves and non electrical flow control
to turn off the light
vsto shut off
37 1.0

To switch a light so it stops shining

applies to any device or flow, not only lights
to turn out
vsto shut off
  • UK
36 2.7

To switch off a light or machine

covers stopping by switches as well as valves and flow controls
to choke off
vsto shut off
6 6.4

To stop a supply by blocking its source or flow

is similar but usually involves direct control via switches or valves
to inactivate
vsto shut off
4 5.8

To make something stop working

is specifically about stopping flow or operation with a control or valve

Antonyms

1.0

To begin an action, event or process

715 3.6

To make a machine, system, or account start working

How Flowing

to flow
333 1.0
to restrict
361 3.1
to stop
1.0
to cut off
620 3.8
to shut off
83 2.6

Surface Forms

shut off infinitive
shut off past
shut off past participle
shutting off present participle
shuts off third person singular

Morphology

shut + off

The meaning 'to isolate or prevent connection' is directly derivable from combining 'shut' (to close) with 'off' (not operating / away), since together they signal closing or deactivating something so it no longer connects. This verb+particle composition is common in English and mirrored in many other languages, so a B1 learner who knows the constituents would very likely infer the MWE's meaning.

Etymology

Shut off comes from the simple image of closing something to stop it: you shut a door or close a valve off so water or gas cannot pass. That's why it now means 'to stop the flow or operation'.