life·​sav·​er | \ ˈlīf-ˌsā-vər \

Definition of lifesaver

1 : one trained to save lives of drowning persons
2 : one that is at once timely and effective in time of distress or need

Examples of lifesaver in a Sentence

a surgical procedure that has been a lifesaver for many people This multipurpose tool can be a real lifesaver when something needs fixing. Frozen dinners can be lifesavers for busy parents. Thanks so much for offering to help. You're a real lifesaver!
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Recent Examples on the Web

The lifesaver is still in fundraising stages, but its maker is already offering different deals and packages consumers can take advantage of. Rori Kotch, Country Living, "This Life Vest Alternative Might Completely Change How You Swim," 8 July 2015 Theodora Rose has another very special credit to her name: lifesaver. Kayleigh Roberts, Marie Claire, "Theodora Rose Williams Will Reportedly Be a Page Girl at Princess Eugenie's Wedding," 30 Sep. 2018 Therefore, skeptics tend to argue that bednets are not such great lifesavers after all. Kelsey Piper, Vox, "Bednets are one of our best tools against malaria — but myths about their misuse threaten to obscure that," 18 Oct. 2018 Changing a tire on the highway isn’t a safe endeavor, and a split-second warning of a vehicle coming your way can be a lifesaver. Zachary Palmer, Popular Mechanics, "How To Change a Flat Tire: A Step-By-Step Guide," 16 Aug. 2018 As a commuter living in New Jersey and working in New York, backpacks are a lifesaver. Tiffany Dodson, SELF, "16 Cute Backpacks That Won’t Make You Look Like You’re Going Back to School," 10 Aug. 2018 WindAlert When wildfires erupt, knowing how fast the winds are blowing in specific areas can be a real lifesaver. Cliff Kapono,, "These smartphone apps will help you get through a natural disaster," 8 July 2018 Finally, when in doubt, a small denomination gift card to a big box store/supercenter in their area is always a lifesaver. Southern Living, "The Etiquette of Giving: Your Gift Questions Answered," 12 July 2018 The railcar and boat -- one of which took Jewish people to their deaths at the hands of Nazis, the other a lifesaver that ferried 7,700 people to safety -- had been displayed outdoors for years, vulnerable to Houston's weather. Molly Glentzer, Houston Chronicle, "Holocaust Museum's big artifacts take flight," 31 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lifesaver.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of lifesaver

1887, in the meaning defined at sense 1

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Statistics for lifesaver

Last Updated

12 Dec 2018

Look-up Popularity

Time Traveler for lifesaver

The first known use of lifesaver was in 1887

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More Definitions for lifesaver



English Language Learners Definition of lifesaver

: something that saves a person's life

: something or someone which provides help that is badly needed


life·​sav·​er | \ ˈlīf-ˌsā-vər \

Kids Definition of lifesaver

: someone or something that provides greatly needed help

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More from Merriam-Webster on lifesaver

Rhyming Dictionary: Words that rhyme with lifesaver

Spanish Central: Translation of lifesaver

Nglish: Translation of lifesaver for Spanish Speakers

Comments on lifesaver

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tremendous in size, volume, or degree

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