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to jam

to jam

112 4.4
Get stuck and stop moving or working
  • verb
  • /dʒæm/
: atascarse
  • The ballot scanner at Tingley Library in Bradenton Beach was jamming at 7:30 a.m.
  • the machine jammed
  • the gun jammed
  • the door jammed

And so if it jams when you need it not to jam, that's that's your fault, right?

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Examples

Synonyms

to get stuck
vsto jam
240 2.2

To be unable to move or continue because something blocks you

applies specifically to mechanisms that seize and stop functioning, not only physical trapping
to clog
vsto jam
52 3.2

To block a pipe or passage so flow stops

focuses on a device failing to move rather than stopping flow generally
to jam up
vsto jam
  • Informal
23 4.7

Become blocked so things cannot move or work

is used when a device or mechanism itself seizes and stops working
to clog up
vsto jam
22 3.7

To block a drain or road so things cannot move through it

describes a device failing to move or function because it seizes
to gum up
vsto jam
  • Informal
8 7.2

To make moving parts stuck with dirt or glue so they stop working

is mainly intransitive meaning the mechanism itself seizes rather than being caused

Antonyms

338 2.6

To work in a particular role or job

1 4.2

To free something that is stuck so it can move or work again

Idioms

in a jam
  • Informal
23 6.7

In trouble and needing help to fix a problem

To make someone feel disappointed or upset

money for jam
  • Archaic
8.3

Easy extra pay for very little work

Phrasal Verbs

to jam up
  • Informal
23 4.7

Become blocked so things cannot move or work

to spot jam
  • Specialized
1 9.1

To intentionally block a single radio or radar frequency using electronic signals

to blanket jam
  • Specialized
9.9

To block a wide range of radio frequencies at once so radios in an area cannot work

to barrage jam
  • Specialized
9.9

To block many radio channels so signals cannot be sent or received

to point jam
  • Specialized
9.9

To block a narrow radio channel to stop communications

Compounds

40 1.0

Many cars are stuck and move very slowly on a road

jam session
  • Informal
10 3.9

A meeting of musicians who make up music and play together without planning

A sweet spread people make from strawberries and sugar to put on bread or pastries

jam box
  • Informal
1 7.8

A small loud speaker you carry to play music outdoors

jam tomorrow
  • Informal
1 9.9

A promise of good things in the future that never comes

A sweet spread you make by cooking medlar fruit with sugar

How Stuck

to jam
112 4.4
to stick
48 3.4

Surface Forms

jam infinitive
jammed past
jammed past participle
jamming present participle
jams third person singular

Etymology

Jam for a machine getting stuck comes from parts being pressed or caught so they cannot move, like being 'blocked' by other pieces. Think of paper 'jammed' in a printer — the parts are stuck and the machine cannot work.