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jam - definition and synonyms

 
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verb jam pronunciation in British English /dʒæm/
Word Forms
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present tense
I/you/we/theyjam
he/she/itjams
present participlejamming
past tensejammed
past participlejammed
  1. 1
    [transitive] to push someone or something somewhere using a lot of force
    jam someone/something into/on/against something: Marilyn jammed the hat firmly on her head and went out.
    Mick jammed a copy of the report into my hand.
    Kirsten was trying to jam all the papers into her bag.
  2. 2
    [transitive] [often passive] if people or things jam a place, there are so many of them that it is difficult to move
    Thousands jammed the area to see the Pope.
    jam someone/something into something: Four men were jammed into the back of the car.
    jam something with something: The streets were jammed with cars.
    Synonyms and related words
  3. 3

    jam

    or

    jam up

    [intransitive] if a machine, lock, window etc jams, it does not work because something stops it from moving
    He fired one shot before his gun jammed.
    1. a.
      [transitive] to block something so that it stops working or moving
      A small stone had jammed the pump.
  4. 4
    [transitive] to injure part of your body because it gets pressed or squeezed between two hard things
    The window suddenly dropped down and jammed her finger.
  5. 5
    [intransitive/transitive] if a telephone system jams or is jammed, it stops working because too many people are making calls at the same time
    Only a few minutes after the programme, the switchboard was jammed with complaints.
    Synonyms and related words

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