Definitions For Jam

noun

• Deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systems
• Preserve of crushed fruit
• A dense crowd of people
• Informal terms for a difficult situation
• To fill (a place) completely
• To fill (something, such as a door or a road) so that movement is slow or stopped
• To press or push (an object) into a tight place

verb

• Interfere with or prevent the reception of signals
• Block passage through
• Crush or bruise
• Crowd or pack to capacity
• Get stuck and immobilized
• Push down forcibly
• Press tightly together or cram