jam (n.)

  1. preserve of crushed fruit

  2. informal terms for a difficult situation; he got into a terrible fix; he made a muddle of his marriage

    [ Syn: fix , hole , mess , muddle , pickle , kettle of fish ]

  3. a dense crowd of people

    [ Syn: crush , press ]

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

    [ Syn: jamming , electronic jamming ]

    jam (v.)

  1. press tightly together or cram; The crowd packed the auditorium

    [ Syn: throng , mob , pack , pile ]

  2. push down forcibly; The driver jammed the brake pedal to the floor'

  3. crush or bruise; jam a toe

    [ Syn: crush ]

  4. interfere with or prevent the reception of signals; Jam the Voice of America; block the signals emitted by this station

    [ Syn: block ]

  5. get stuck and immobilized; the mechanism jammed'

  6. crowd or pack to capacity; the theater was jampacked

    [ Syn: jampack , ram , chock up , cram , wad ]

  7. block passage through; obstruct the path

    [ Syn: obstruct , obturate , impede , occlude , block , close up ]

The dictionary is based on the WordNet Electronic Lexical Database.
WordNet 3.0 Copyright 2011 by Princeton University. All rights reserved.