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to block off

to block off

23 3.8
Close a road, path or entrance so people cannot go through
  • phrasal verb
  • /blɑk ɔf/
translation icon : bloquear
  • The city blocked off the main road for construction, causing delays for drivers.
  • block off the street
  • block off the road
  • block off the entrance

Indeed, the Royal Navy tried to block off the English Channel with steel Nets and mines.

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Examples

  • Suddenly, a truck blocks off their only escape route.

    Fiction book (1996)
  • The whole area has been blocked off.

  • - The workers have blocked off part of the north parking lot.

  • We're gonna block off the ramp leading down here, all right?

  • The street is blocked off, with fire engines and police cars.

    Fiction book (2000)
  • The facilities director showed him the areas blocked off with caution tape.

    Academic text (2009)
  • I think having parts of major roads still blocked off, like Queen Anne, is ridiculous.

    Blog text (24)
  • We've got this area blocked off.

  • Once the ambulance arrived, officers blocked off Guerrero between 17th and 18th streets.

    Blog text (4)
  • After Hurricane Wilma, Alejandro's neighborhood was completely blocked off by downed trees and deadly live electrical wires.

    Academic text (2011)

Synonyms

to block
vsto block off
3.0

To stop movement, access, or progress

focuses on closing roads paths entrances or areas to stop people
to obstruct
vsto block off
119 5.1

To block a path or view

is about closing access so people cannot pass through
to seal off
vsto block off
47 3.9

Stop people from entering or leaving an area by blocking it

stops access without the emphasis on official controls
to barricade
vsto block off
42 4.8

To stop people from entering a place by putting up a barrier

prevents entry but not always by raising barriers
to close off
vsto block off
24 3.9

Stop people or vehicles from entering a place

is used to stop people specifically from entering or passing through
to cordon
vsto block off
24 5.8

To block off an area with people or barriers to keep people away

prevents people entering without implying safety reasons
to cordon off
vsto block off
20 6.3

Stop people entering or leaving an area by using police and barriers

stops entry without needing a human line or tape
to shut off
vsto block off
11 4.0

Prevent someone or somewhere from having contact with others

is about physically closing paths so people cannot pass through
to blockade
vsto block off
9 6.0

To stop people and goods entering or leaving a place, often during war

prohibits access without the large scale force or goods focus
to bar
vsto block off
7 2.8

To block a path or entrance by placing something across it

is used to prevent people entering without fixing a crosspiece
to block up
vsto block off
4 3.8

To stop movement through a road, pipe, or path

is about preventing people entering without necessarily filling space
to fence off
vsto block off
4 3.7

Surround an area with a fence to stop people from entering

prevents entry without needing a fixed perimeter structure
to rope off
vsto block off
3 4.8

To keep people out of an area by putting ropes around it

limits entry without relying on a cord or tape
to bar off
vsto block off
  • Informal
5.6

To block a place so people cannot enter, often by putting up a fence

can prevent entry without naming the physical beam used
to barricado
vsto block off
  • Archaic
9.9

To block a place with things to stop people from entering

aims to stop people entering rather than to defend against attack
to rail off
vsto block off
7.0

To separate people or part of a place by putting up a barrier

keeps people out without using a metal guard
to obturate
vsto block off
  • Specialized
9.9

To block an opening to stop liquid or gas passing through

focuses on stopping people entering rather than stopping fluids

How Obstructed

to seal off
47 3.9
to barricade
42 4.8
to block off
23 3.8
to close
1.0
to obstruct
119 5.1
to restrict
361 3.1

Surface Forms

block off infinitive
blocked off past participle
blocking off present participle
blocks off third person singular

Morphology

block + off

The meaning 'to close or obstruct an area so people cannot pass' is directly derivable from combining 'block' (to stop or obstruct) with the particle 'off', which contributes a sense of separation/closure. This verb+particle composition follows a common, compositional English pattern that a B1 learner who knows both constituents should readily understand.

Etymology

Block off The phrasal verb block off comes from the picture of putting a heavy block across a road or entrance to keep people off it. That's why it means 'to close' a place or 'stop people from entering'.