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jam

1 jam /ˈʤæm/ verb
jams; jammed; jamming
1 jam
/ˈʤæm/
verb
jams; jammed; jamming
Britannica Dictionary definition of JAM
: to fill (a place) completely
[+ object]
[no object]
[+ object] : to fill (something, such as a door or a road) so that movement is slow or stopped
sometimes used figuratively
[+ object] : to press or push (an object) into a tight place
: to push (a part of your body, a lever, etc.) suddenly and forcefully
[+ object]
[no object]
[+ object] : to cause (a part of your body) to be painfully crushed, squeezed, etc.
[no object] : to stop working properly because something inside prevents movement
[+ object] : to cause (something) to stop working properly by preventing its parts from moving
[+ object] : to make (a radio signal or broadcast) impossible to understand by sending out signals or messages that weaken or block it
[no object] : to play music informally together without preparation
[+ object] baseball : to throw a pitch that is close to a batter and that the batter is unable to hit well
2 jam /ˈʤæm/ noun
plural jams
2 jam
/ˈʤæm/
noun
plural jams
Britannica Dictionary definition of JAM
[count]
: a situation in which a machine does not work properly because something inside prevents its parts from moving
: a situation in which something (such as a road) is so filled that movement is stopped or slowed
see also logjam
informal : a difficult situation
compare 3jam
3 jam /ˈʤæm/ noun
plural jams
3 jam
/ˈʤæm/
noun
plural jams
Britannica Dictionary definition of JAM
[count, noncount]
: a sweet food made of fruit and sugar thickened by boiling

money for jam

see money
compare 2jam