First Known Use: 1706
Dictionary
1jam
verb \ˈjam\
: 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
jammedjam·ming
Full Definition of JAM
intransitive verb
1
a : to become blocked or wedged b : to become unworkable through the jamming of a movable part
2
: to force one's way into a restricted space
3
: to take part in a jam session
4
: dunk 2
transitive verb
1
2
: to push forcibly; especially : to apply (brakes) suddenly and forcibly —used with on
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
5
: to block, crowd, or bump (a pass receiver) near the line of scrimmage in football
6
: to pitch inside to (a batter)
— jam·mer \ˈja-mər\ noun
See jam defined for English-language learners
See jam defined for kids
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Origin of JAM
origin unknown
Related to JAM
2jam
noun
Definition of JAM
1
a : an act or instance of jamming b : a crowded mass that impedes or blocks <a traffic jam>
2
a : the quality or state of being jammed b : the pressure or congestion of a crowd : crush
3
: a difficult state of affairs : fix <got into a jam>
4
5
6
slang : a musical piece
First Known Use of JAM
1805
3jam
noun
Definition of JAM
: a food made by boiling fruit and sugar to a thick consistency
— jam·my \ˈja-mē\ adjective
Origin of JAM
probably from 1jam
First Known Use: circa 1736
Jam
abbreviation
Definition of JAM
Jamaica
JAM Defined for Kids
1jam
verb \ˈjam\
jammedjam·ming
Definition of JAM for Kids
1
: to crowd, squeeze, or wedge into a tight position <Fans jammed the auditorium.>
2
: to put into action hard or suddenly <He jammed his hands into his pockets.> <She jammed on the brakes.>
3
: to hurt by pressure <I jammed a finger in the car door.>
4
: to be or cause to be stuck or unable to work because a part is wedged tight <Paper jammed the copier.>
5
: to cause interference in (radio or television signals)
2jam
noun
Definition of JAM for Kids
: a food made by boiling fruit with sugar until it is thick
3jam
noun
Definition of JAM for Kids
1
: a crowded mass of people or things that blocks something <a traffic jam>
2
: a difficult situation <I got myself into a jam.>
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