jam - noun

preserve of crushed fruit

informal terms for a difficult situation

a dense crowd of people

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

jam - verb

• press tightly together or cram
• push down forcibly
• crush or bruise
• interfere with or prevent the reception of signals
• get stuck and immobilized
• crowd or pack to capacity
• block passage through

jam - thesaurus

block   cram   crush   fix   hole   impede   jamming   jampack   mess   mob   muddle   obstruct   obturate   occlude   pack   pickle   pile   press   ram   throng   wad