lifesaver
noun
life·sav·er
ˈlīf-ˌsā-vər 
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!
Recent Examples on the Web
This vaccine and all vaccines are lifesavers.
—
Chicago Tribune, 9 Feb. 2026
Amazon Kindle For readers who don’t want to lug around a 300-page book, a Kindle is a lifesaver.
—Chaise Sanders, Travel + Leisure, 8 Feb. 2026
Having a treat that your baby or toddler loves can be a lifesaver, especially during outings.
—Sarah Scott, Parents, 29 Jan. 2026
Blankets, a flashlight, and a phone charger can be lifesavers if you get stuck.
—Cheryl Vari, Cincinnati Enquirer, 26 Jan. 2026
See All Example Sentences for lifesaver
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Chicago Tribune, 9 Feb. 2026
Amazon Kindle For readers who don’t want to lug around a 300-page book, a Kindle is a lifesaver.
—Chaise Sanders, Travel + Leisure, 8 Feb. 2026
Having a treat that your baby or toddler loves can be a lifesaver, especially during outings.
—Sarah Scott, Parents, 29 Jan. 2026
Blankets, a flashlight, and a phone charger can be lifesavers if you get stuck.
—Cheryl Vari, Cincinnati Enquirer, 26 Jan. 2026
See All Example Sentences for lifesaver
Cite this Entry
“Lifesaver.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lifesaver. Accessed 14 Feb. 2026.
Copy CitationKids Definition
lifesaver
noun
life·sav·er
ˈlīf-ˌsā-vər
1
: a person trained to save the lives of drowning persons
2
: something that relieves distress when most needed
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