a sweet spread or conserve made from fruit and sugar boiled to a thick consistency
make (fruit) into jam.
squeeze or pack tightly into a specified space
four of us were jammed in one compartment
people jammed their belongings into cars
mum, dad, and I jammed into the pickup truck
become or make unable to move or work due to a part seizing up or becoming stuck
the photocopier jammed
the doors were jammed open
improvise with other musicians, especially in jazz or blues
he had the opportunity to jam with Atlanta blues musicians
an instance of a thing seizing or becoming stuck
an awkward situation or predicament
I'm in a jam
an improvised performance by a group of musicians, especially in jazz or blues.