English dictionary definition of:



  • 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


  • 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


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

Spellzone course content

View spelling list Starter Course: Unit 3: Section 3 and learn about the word jam in the Spellzone English spelling course, Unit Starter course: Words with u.

Scrabble score for jam

Scrabble score = 12

generated at 23:13:42 on 20-01-20

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