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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(31) The government tried to jam the guerrillas' transmissions.
(32) My specialty is making jam.
(33) They got stuck in a traffic jam.
(34) We were stuck in a traffic jam .
(35) The lid of this jam pot won't unscrew.
(36) He spread jam on the toast.
(37) Gooseberries are used for making pies and jam.
(38) I can't jam another thing into the bag.
(39) We were served scones with butter and jam.
(40) It caused a jam in the printer.
(41) He's late he's probably stuck in a traffic jam.
(42) Spread the toast thinly with jam.
(43) Wipe the jam off my mouth,(http://sentencedict.com/jam.html) will you?
(44) My speciality is making jam.
(45) Cover the jam! It's sure to invite the wasps.
(46) "Sorry Edward," I said, splattering the cloth with jam.
(47) I reached across the table for the jam.
(48) My gran's given us some apple jam.
(49) He's in an awful jam over his marriage.
(50) He was caught in a traffic jam this morning.
(51) They will try to jam the transmissions electro-nically.
(52) This kind of jam is made of berry.
(53) There was a monumental traffic jam on the freeway.
(54) The child had smeared jam all over her face.
(55) The bus was delayed in a five-mile jam.
(56) Soak a label off a jam jar.
(57) We were stuck in a traffic jam for two hours.
(58) A motorbike appeared from nowhere and I had to jam on the brakes.
(59) How are we going to get ourselves out of this jam?
(60) She kept gazing at him, while spreading jam on the bread.