kləʊzˈʌp kɹæm

kɹʌʃ kɹʌʃ ˈfɪks ɪmˈpiːd ˈdʒæmɪŋ ˈmʌdəl əbˈstɹʌkt əˈkluːd θɹɒŋ θɹɔŋ wɒd wɑd interfere with or prevent the reception of signals Jam the Voice of America block the signals emitted by this station deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systems block passage through obstruct the path crush or bruise jam a toe crowd or pack to capacity the theater was jampacked get stuck and immobilized the mechanism jammed push down forcibly The driver jammed the brake pedal to the floor press tightly together or cram The crowd packed the auditorium preserve of crushed fruit a dense crowd of people informal terms for a difficult situation he got into a terrible fix he made a muddle of his marriage