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Lifesaver

//ˈlaɪfˌseɪvə// noun

Definitions

Noun
  1. 1
    Someone or something that saves lives.; A lifeguard or other rescuer.

    "My dad loves his job as a surf lifesaver."

  2. 2
    a life preserver in the form of a ring of buoyant material wordnet
  3. 3
    Someone or something that saves lives.; A life buoy.

    "They threw him a lifesaver and then hauled him up onto the boat."

  4. 4
    an attendant employed at a beach or pool to protect swimmers from accidents wordnet
  5. 5
    Someone or something that saves lives.; Any lifesaving tool or item of supplies.

    "When I got lost in the woods, my Swiss Army knife was a lifesaver."

Show 1 more definition
  1. 6
    Someone or something that is very useful or helpful. figuratively

    "Thank you so much for fixing my car; you're a real lifesaver!"

Etymology

From life + saver.

See also for "lifesaver"

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