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Definition jam in British English

jam verb

verb
/dʒæm/
1

to push someone or something somewhere using a lot of force

Example

Marilyn jammed the hat firmly on her head and went out.

Example

Mick jammed a copy of the report into my hand.

Example

Kirsten was trying to jam all the papers into her bag.

Synonyms and related words
2

if people or things jam a place, there are so many of them that it is difficult to move

Example

Thousands jammed the area to see the Pope.

Example

Four men were jammed into the back of the car.

Example

The streets were jammed with cars.

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3

if a machine, lock, window etc jams, it does not work because something stops it from moving

Example

He fired one shot before his gun jammed.

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3.1

to block something so that it stops working or moving

Example

A small stone had jammed the pump.

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4

to injure part of your body because it gets pressed or squeezed between two hard things

Example

The window suddenly dropped down and jammed her finger.

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5

if a telephone system jams or is jammed, it stops working because too many people are making calls at the same time

Example

Only a few minutes after the programme, the switchboard was jammed with complaints.

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6

to block a radio, television, or other electronic signal by broadcasting another signal on the same wavelength

Synonyms and related words
7

to play music in an informal way with a group of people

Synonyms and related words
Definition jam in British English