English Reference

Phrasal verb

close off

Definition

phrasal verb. to block an entrance or a path so that people cannot enter or pass through.

phrasal verb. to obstruct or seal an entrance, thoroughfare, or area to prevent access; often used in the context of physical barriers or police cordons.

Examples

“The police had to close off the street after the accident.”

“They are closing off the main square this weekend to set up the Christmas market.”

“Authorities decided to close off the entire coastal road due to the imminent threat of a landslide following the heavy rains.”

Examples

simple

“The police had to close off the street after the accident.”

contextual

“They are closing off the main square this weekend to set up the Christmas market.”

complex

“Authorities decided to close off the entire coastal road due to the imminent threat of a landslide following the heavy rains.”

Usage

usually takes a physical space, such as a road, room, or area, as its object.

Teaching tip

contrast with 'close' (simply shutting a door) and 'block' (which might be accidental); 'close off' implies a deliberate action to stop all traffic or entry.

Pitfall

The road was closed of for the race.

The road was closed off for the race.

the particle 'off' requires a double 'f'; 'of' is a preposition with a different function.

Phrasal verb

Particles

off

Separability

optional

Pattern

close + (object) + off

Synonyms

blocksealshut offcordon off

Antonyms

open upclear

Grammar

This entry

Level
B1 · Intermediate
Updated

Scan code

englishreference.com/q/close-off

English Reference