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[lahyf-sey-ver] /ˈlaɪfˌseɪ vər/
a person who rescues another from danger of death, especially from drowning.
a person or thing that saves a person, as from a difficult situation or critical moment:
That money was a lifesaver.
Chiefly British. a lifeguard.
Origin of lifesaver
1880-85; life + saver
Related forms
lifesaving, adjective, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for lifesaver
Historical Examples
  • They'll probably patch it up and if we get a chance to escape later, it may be a lifesaver.

    The Solar Magnet Sterner St. Paul Meek
  • It was a lifesaver, for he was shooting down into the darkness at a great rate.

    The Royal Book of Oz L. Frank Baum
  • Such a device, Tom felt, might prove to be a lifesaver if he should ever become trapped under water—perhaps far from help.

  • He's been a lifesaver ever since he was a-put inter pants, but his jints is too stiff now.

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