Definition of dead weight noun from the Oxford Advanced Learner's Dictionary

     

    dead weight

     noun
    noun
    BrE BrE//ˌded ˈweɪt//
     
    ; NAmE NAmE//ˌded ˈweɪt//
     
    [usually singular]
     
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  1. 1a thing that is very heavy and difficult to lift or move The sleeping child was a dead weight in her arms.
  2. 2a person or thing that makes it difficult for something to succeed or change
See the Oxford Advanced American Dictionary entry: dead weight