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

Synonym(s): electronic_jamming, jam

Hypernym(s): electronic_countermeasures, ECM

· press tightly together or cram; "The crowd packed the auditorium"

Synonym(s): throng, mob, pack, pile

Hypernym(s): crowd, crowd_together

· push down forcibly; "The driver jammed the brake pedal to the floor"

Hypernym(s): push, force

· crush or bruise; "jam a toe"

Synonym(s): crush

Hypernym(s): bruise, contuse

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

Synonym(s): block

Hypernym(s): interrupt, disrupt, break_up, cut_off

· get stuck and immobilized; "the mechanism jammed"

Hypernym(s): malfunction, misfunction

· crowd or pack to capacity; "the theater was jampacked"

Synonym(s): jampack, ram, chock_up, cram, wad

Hypernym(s): stuff

· block passage through; "obstruct the path"

Synonym(s): obstruct, obturate, impede, occlude, block, close_up

Hypernym(s): impede, hinder