Jam meaning

What does “jam” mean? Definitions, examples, synonyms and opposites.

“jam” is a noun and verb with 11 meanings. Its most common meaning is: preserve of crushed fruit.

jam

preserve of crushed fruit
informal terms for a difficult situation
“he got into a terrible fix”
“he made a muddle of his marriage”
Synonymsfix hole mess muddle pickle kettle of fish
a dense crowd of people
Synonymscrush press
deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systems
Synonymsjamming electronic jamming

press tightly together or cram
“The crowd packed the auditorium”
Synonymsthrong mob pack pile
push down forcibly
“The driver jammed the brake pedal to the floor”
crush or bruise
“jam a toe”
Synonymscrush
interfere with or prevent the reception of signals
“Jam the Voice of America”
“block the signals emitted by this station”
Synonymsblock
get stuck and immobilized
“the mechanism jammed”
crowd or pack to capacity
“the theater was jampacked”
Synonymsjampack ram chock up cram wad
block passage through
“obstruct the path”
Synonymsobstruct obturate impede occlude block close up

Source: WordNet 3.1, Princeton University