jam

nouns

preserve of crushed fruit

jam

is a type of (narrower)

fruit preserved by cooking with sugar

informal terms for a difficult situation

"he got into a terrible fix"; "he made a muddle of his marriage"

fix, hole, jam, kettle of fish, mess, muddle, pickle

a dense crowd of people

crush, jam, press

deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systems

electronic jamming, jam, jamming

press tightly together or cram

"The crowd packed the auditorium"

jam, mob, pack, pile, throng

push down forcibly

"The driver jammed the brake pedal to the floor"

jam

is a type of (narrower)

move with force, "He pushed the table into a corner"

crush or bruise

"jam a toe"

crush, jam

interfere with or prevent the reception of signals

"Jam the Voice of America"; "block the signals emitted by this station"

block, jam

is derived from

get stuck and immobilized

"the mechanism jammed"

jam

is a type of (narrower)

fail to function or function improperly

"the coffee maker malfunctioned"

crowd or pack to capacity

"the theater was jampacked"

chock up, cram, jam, jampack, ram, wad

block passage through

"obstruct the path"

block, close up, impede, jam, obstruct, obturate, occlude