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parts of speech:
verb, noun
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part of speech: verb
inflections: jams, jamming, jammed
definition 1: to force or pack tightly into a small space.
He jammed a peg in the hole.She jammed the books in a box.
cram, ram, squeeze, wedge
similar words:
crowd, force, sandwich, stick, stuff
definition 2: to push suddenly and with force.
He jammed his foot on the brake pedal.
slam, thrust
similar words:
force, press, push
definition 3: to fill up or block.
Ice jammed the stream.
block, obstruct
similar words:
clog, crowd, plug
definition 4: to hurt by strong, sudden pressure.
Cheryl jammed her finger playing basketball.
similar words:
hurt, injure, mash, sprain
definition 5: to be blocked or not work properly.
The train's brakes jammed, but fortunately no one was hurt.
similar words:
definition 6: to play or improvise jazz or rock-'n'-roll music with others.
The musicians jammed at the club for hours.
similar words:
improvise, play
part of speech: noun
definition 1: a large gathering or mass that slows or stops movement.
The stream was blocked by an ice jam.We were stuck in a traffic jam.
similar words:
mass, throng
definition 2: (informal) a difficult or embarrassing situation; trouble.
Peter was in a jam at work.
fix, predicament, spot
similar words:
bind, dilemma, mess, tangle
derivation: jammer (n.)
Word Builder: jam +
  • jammed:
    blocking the movement or flow of something through a tight space.