life·​sav·​er | \ ˈlīf-ˌsā-vər How to pronounce lifesaver (audio) \

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 10 items below can, quite literally, be a lifesaver. 1. Max Cohen, USA TODAY, "Hitting the road? Packing these 10 simple things could save your life," 31 Aug. 2019 The extra time could be a lifesaver for the two-thirds of candidates who have yet to qualify for the September debate and might convince some low-polling candidates to stay in the race a bit longer. NBC News, "Why the Democratic debates could grow after they shrink," 6 Aug. 2019 For those without a place to escape the heat during the day, a cooling station can be a lifesaver. Jesus Jimenez, Dallas News, "‘The doors are open’: City cooling stations are ready as heat wave broils Dallas-Fort Worth," 8 Aug. 2019 Available in band sizes 32-42 and cup sizes A-F. Nudwear Backless Bra This adhesive bra is a lifesaver for outfits with an open back or difficult-to-hide straps. Lexie Sachs, Good Housekeeping, "16 Best Bras for Every Size and Body Type," 25 July 2019 Cognitive behavioral therapy is the gold-standard in anxiety treatment, and for many people prescription pills are a lifesaver. Ben Giles, Marie Claire, "The New, Cutting-Edge Anxiety Treatments That Sufferers Swear By," 8 July 2019 This upscale cocktail bar on the ninth floor takes its name from Thomas Kisbee, a British naval officer who invented the lifesaver. The Know Staff, The Know, "The coolest patios and rooftops to eat and drink on in the Front Range," 27 June 2019 These products, in particular, turned out to be lifesavers while tackling this project. Jourdan Fairchild, House Beautiful, "I Renovated My Fireplace After Watching Hours of YouTube, and This is What You Should Know," 12 June 2019 The patient felt nostalgic for the mechanism that had been a lifesaver so many times before. Keri Wiginton,, "Taking body parts and medical devices home after surgery — what to know," 5 June 2019

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

5 Sep 2019

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 How to pronounce lifesaver (audio) \

Kids Definition of lifesaver

: someone or something that provides greatly needed help

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

What made you want to look up lifesaver? Please tell us where you read or heard it (including the quote, if possible).


readily or continually undergoing change

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