jam Meaning in the Cambridge English Dictionary Cambridge dictionaries logo
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Meaning of “jam” in the English Dictionary

"jam" in British English

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jamnoun

uk   /dʒæm/  us   /dʒæm/
  • jam noun (FOOD)

A2 [C or U] a ​sweet, ​softfood made by ​cookingfruit with ​sugar to ​preserve it. It is ​eaten on ​bread: strawberry/​raspberry jam jam ​sandwiches

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jamverb

uk   /dʒæm/  us   /dʒæm/ (-mm-)
  • jam verb (STICK)

C1 [I or T] to be, or make something, ​unable to ​move: The ​door jammed behind me and I couldn't get out [+ obj + adj ] He jammed the ​windowopen with a ​piece of ​wood.
[T] to ​stopradiosignals from ​reaching the ​people who ​want to ​receive them: Foreign ​radiobroadcasts were ​regularly jammed.
  • jam verb (FILL)

C1 [T + adv/prep] to ​fill a ​placecompletely: The ​centre of ​town was jammed withcarsmoving at a very ​slowpace. The ​motorway was jammed solid (= the ​traffic could not ​move) all ​morning.
(Definition of jam from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"jam" in American English

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jamverb

 us   /dʒæm/ (-mm-)
  • jam verb (PUSH)

[T always + adv/prep] to ​push something hard with ​suddeneffort: [M] She jammed on the ​brakes when the ​lightturnedred.
  • jam verb (PACK)

[T always + adv/prep] to ​packtightly into a ​smallspace: He jammed the ​boxes into the ​trunk of the ​car.
  • jam verb (BECOME STUCK)

[I/T] to ​becomestuck and ​unable to move, or to be ​stuck in something: [I] My ​key jammed in the ​lock. [T] Paper was jamming the ​printer.
  • jam verb (MUSIC)

[I] to ​playpopularmusicinformally with other ​people, without ​planning it or ​practicing together: He ​once jammed with Charlie Parker.

jamnoun

 us   /dʒæm/
  • jam noun (SITUATION)

[C] infml a ​difficultsituation: She ​expects her ​parents to ​bail her out ​whenever she gets in a jam.
  • jam noun (FOOD)

[U] a ​soft, ​sweetfood made by ​cookingfruit with ​sugar: strawberry/​raspberry jam on ​toast
(Definition of jam from the Cambridge Academic Content Dictionary © Cambridge University Press)
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