Noun jamming has 1 sense
  1. jamming, electronic jamming, jam - deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systems
    --1 is a kind of electronic countermeasures, ECM
    --1 has particulars: barrage jamming; spot jamming, selective jamming
    Derived form: verb jam4
,Verb jam has 7 senses
  1. throng, mob, pack, pile, jam - press tightly together or cram; "The crowd packed the auditorium"
    --1 is one way to crowd, crowd together
    Sample sentence:
    Somebody ----s PP
  2. jam - push down forcibly; "The driver jammed the brake pedal to the floor"
    --2 is one way to
    push, force
    Sample sentences:
    Somebody ----s something
    Something ----s something
  3. jam, crush - crush or bruise; "jam a toe"
    --3 is one way to bruise, contuse
    Sample sentence:
    Did he jam his foot?
  4. jam, block - interfere with or prevent the reception of signals; "Jam the Voice of America"; "block the signals emitted by this station"
    --4 is one way to interrupt, disrupt, break up, cut off
    Derived forms: noun jam4, noun jamming1
    Sample sentences:
    Somebody ----s something
    Something ----s something
  5. jam - get stuck and immobilized; "the mechanism jammed"
    --5 is one way to
    malfunction, misfunction
    Sample sentence:
    They want to jam the doors
  6. jam, jampack, ram, chock up, cram, wad - crowd or pack to capacity; "the theater was jampacked"
    --6 is one way to stuff
    Derived form: noun jam3
    Sample sentence:
    They jam the books into the box
  7. obstruct, obturate, impede, occlude, jam, block, close up - block passage through; "obstruct the path"
    --7 is one way to impede, hinder
    Sample sentences:
    Somebody ----s something
    Something ----s something
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