jam

Informal terms for a difficult situation.

Preserve of crushed fruit.

A dense crowd of people.

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

Push down forcibly.

“The driver jammed the brake pedal to the floor”

Block passage through.

Press tightly together or cram.

Interfere with or prevent the reception of signals.

Crush or bruise.

“jam a toe”

Crowd or pack to capacity.

“the theater was jampacked”

Get stuck and immobilized.

“the mechanism jammed”