Synonym: cram, crowd, crush, heap, jelly, load, marmalade, press, push, squeeze, stuff. Similar words: pyjamas, pajamas, paper jam, jamboree, james polk, traffic jam, james madison. Meaning: [dʒæm] 
n. 1. preserve of crushed fruit 2. informal terms for a difficult situation 3. a dense crowd of people 4. deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systems. v. 1. press tightly together or cram 2. push down forcibly 3. crush or bruise 4. interfere with or prevent the reception of signals 5. get stuck and immobilized 6. crowd or pack to capacity 7. block passage through.
n. 1. preserve of crushed fruit 2. informal terms for a difficult situation 3. a dense crowd of people 4. deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systems. v. 1. press tightly together or cram 2. push down forcibly 3. crush or bruise 4. interfere with or prevent the reception of signals 5. get stuck and immobilized 6. crowd or pack to capacity 7. block passage through. 
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(61) We're not just a lot of old biddies going on about jam.
(62) The traffic jam soon cleared once the offending vehicle had been removed.
(63) We got stuck in a traffic jam and I was desperate for the loo.
(64) The traffic jam was caused by a lorry shedding its load.
(65) Dynamiting the log jam seemed to be the only solution.
(66) How am I going to get out of this jam?
(67) You should keep those old jam jars you never know when you might need them.
(68) As children we were always being promised jam tomorrow,(sentencedict.com/jam.html) if only we would be patient.
(69) Arabian jam is also known as angels' hair preserve, or more prosaically as carrot jam.
(70) I got stuck in a traffic jam for half an hour.
(71) I'm in a bit of a jam - could you lend me some money till next week?
(72) I'm in a bit of a jam — I haven't got enough money to pay for this meal.
(73) We got stuck in a traffic jam on the approach road.
(74) Every time I go to London I get caught in a traffic jam.
(75) I spent half the morning sitting in a traffic jam.
(76) He had no choice but to jam his way through the crowd.
(77) Keep your empty jam jars for bottling next year's fruit.
(78) A 20-mile jam built up on the northbound lanes near Birmingham.
(79) There was such a jam of people that we couldn't get in.
(80) She won first prize for her raspberry jam at the Mitchell county fair.
(81) She sat in the car, silently fuming at the traffic jam.
(82) The bus is too crowded,you can't jam any more passengers in.
(83) We successfully drove back to the centre of the city overing the jam quarter.
(84) Home-made jam is usually better than the kinds you buy in the shops.
(85) We were stuck in a traffic jam for an hour.
(86) They refused to settle for a promise of jam tomorrow.
(87) They were sent to jam the enemy's radio stations during the war.
(88) We became friends after he helped me out of a jam.
(89) It's a real jam inside - it took me ten minutes to get to the bar.
(90) Trucks sat in a jam for ten hours waiting to cross the bridge.