lifesaver

[ lahyf-sey-ver ]
/ ˈlaɪfˌseɪ vər /

noun

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

OTHER WORDS FROM lifesaver

life·sav·ing, adjective, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for life-saver

British Dictionary definitions for life-saver

life-saver

noun

the saver of a person's life
another name for lifeguard
informal a person or thing that gives help in time of need
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012