Definition of deadlock noun from the Oxford Advanced American Dictionary

     

    deadlock

     noun
    noun
    NAmE//ˈdɛdlɑk//
     
    [singular, uncountable]
     
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  1. 1a complete failure to reach agreement or settle an argument synonym stalemate
  2. 2 Senate subcommittee members failed to break the deadlock over farm subsidies. The strike has reached a deadlock.
 
adjective [not before noun] Despite months of discussion the negotiations remained deadlocked.
See the Oxford Advanced Learner's Dictionary entry: deadlock