WordWeb Online

1. Filled to capacity
   "a suitcase jammed with dirty clothes"
   - jam-packed, packed

1. Press tightly together or cram
   - throng, mob, pack, pile
    
2. Push down forcibly
   "The driver jammed the brake pedal to the floor"
    
3. Crush or bruise
   "jam a toe"
   - crush
    
4. Interfere with or prevent the reception of signals
   "Jam the Voice of America"
   - block
    
5. Get stuck and immobilized
   "the mechanism jammed"
    
6. Crowd or pack to capacity
   - jampack, ram, chock up, cram, wad
    
7. Block passage through
   - obstruct, obturate, impede, occlude, block, close up

See also: crowded, jamming

Type of: break up, bruise, contuse, crowd, crowd together, cut off, disrupt, force, hinder, impede, interrupt, malfunction, misfunction, push, stuff

Encyclopedia: Jam