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1

jam

play
verb \ˈjam\

Simple Definition of jam

  • : to fill (a place) completely

  • : to fill (something, such as a door or a road) so that movement is slow or stopped

  • : to press or push (an object) into a tight place

Source: Merriam-Webster's Learner's Dictionary

Full Definition of jam

jammed

jamming

  1. intransitive verb
  2. 1 a :  to become blocked or wedged b :  to become unworkable through the jamming of a movable part

  3. 2 :  to force one's way into a restricted space

  4. 3 :  to take part in a jam session

  5. 4 :  dunk 2

  6. transitive verb
  7. 1 a :  to press into a close or tight position <jam his hat on> b (1) :  to cause to become wedged so as to be unworkable <jam the typewriter keys> (2) :  to make unworkable by jamming c :  to block passage of :  obstruct d :  to fill often to excess :  pack <the crowd jammed the theater>

  8. 2 :  to push forcibly; especially :  to apply (brakes) suddenly and forcibly —used with on

  9. 3 :  crush, bruise

  10. 4 a :  to make unintelligible by sending out interfering signals or messages b :  to make (as a radar apparatus) ineffective by jamming signals or by causing reflection of radar waves

  11. 5 :  to block, crowd, or bump (a pass receiver) near the line of scrimmage in football

  12. 6 :  to pitch inside to (a batter)

jammer

play \ˈja-mər\ noun

Examples of jam in a sentence

  1. Thousands of people jammed into the hall.

  2. People were jamming the exits after the concert.

  3. He jammed the book back into the bookcase.

  4. She jammed her foot down hard on the brakes.

  5. She jammed on the brakes.

  6. A piece of paper jammed the copy machine.



Origin and Etymology of jam

origin unknown


First Known Use: 1706


2

jam

noun

Definition of jam

  1. 1 a :  an act or instance of jamming b :  a crowded mass that impedes or blocks <a traffic jam>

  2. 2 a :  the quality or state of being jammed b :  the pressure or congestion of a crowd :  crush

  3. 3 :  a difficult state of affairs :  fix <got into a jam>

  4. 4 :  jam session

  5. 5 :  dunk shot

  6. 6 slang :  a musical piece



1805

First Known Use of jam

1805


3

jam

noun

Definition of jam

  1. :  a food made by boiling fruit and sugar to a thick consistency

jammy

play \ˈja-mē\ adjective


Origin and Etymology of jam

probably from 1jam


First Known Use: circa 1736

Rhymes with jam


Jam

abbreviation

Definition of Jam

  1. Jamaica





JAM Defined for Kids

1

jam

play
verb \ˈjam\

Definition of jam for Students

jammed

jamming

  1. 1 :  to crowd, squeeze, or wedge into a tight position <Fans jammed the auditorium.>

  2. 2 :  to put into action hard or suddenly <He jammed his hands into his pockets.> <She jammed on the brakes.>

  3. 3 :  to hurt by pressure <I jammed a finger in the car door.>

  4. 4 :  to be or cause to be stuck or unable to work because a part is wedged tight <Paper jammed the copier.>

  5. 5 :  to cause interference in (radio or television signals)




2

jam

play
noun

Definition of jam for Students

  1. :  a food made by boiling fruit with sugar until it is thick




3

jam

play
noun

Definition of jam for Students

  1. 1 :  a crowded mass of people or things that blocks something <a traffic jam>

  2. 2 :  a difficult situation <I got myself into a jam.>





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