English

Definition of lifesaver noun from the Oxford Advanced Learner's Dictionary

     

    lifesaver

     noun
    noun
    BrE BrE//ˈlaɪfseɪvə(r)//
     
    ; NAmE NAmE//ˈlaɪfseɪvər//
     
     
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  1. 1a thing that helps somebody in a difficult situation; something that saves somebody’s life The new drug is a potential lifesaver.
  2. 2(also surf lifesaver) (Australian English, New Zealand English) = lifeguard
See the Oxford Advanced American Dictionary entry: lifesaver

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