[ 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

First recorded in 1880–85; life + saver


life·sav·ing, adjective, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for lifesaver

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

  • Such a device, Tom felt, might prove to be a lifesaver if he should ever become trapped under water—perhaps far from help.