life jacket

noun

: a life preserver in the form of a buoyant vest

Examples of life jacket in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The poor guy had to travel up the Thames on a speedboat accompanied by Royal Marines but clad, laughably, in a life jacket, like a kid on an inflatable-donut ride. — Anthony Lane, New Yorker, 26 Oct. 2026 Crews will make sure boaters have required safety equipment, including life jackets and sound-producing devices. — Kenny Choi, CBS News, 8 Oct. 2026 They were accused of organizing the crossing of a small boat that was unfit for navigation on the open sea, was overloaded and lacked appropriate life jackets. — ABC News, 30 Sep. 2026 Singh was not wearing a life jacket when his body was recovered, and the circumstances surrounding his death remain under investigation. — Daniel Lempres, Sacbee.com, 25 Sep. 2026 See All Example Sentences for life jacket

Word History

First Known Use

1883, in the meaning defined above

Time Traveler
The first known use of life jacket was in 1883

Browse Nearby Words

Cite this Entry

“Life jacket.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/life%20jacket. Accessed 5 Nov. 2026.

Kids Definition

life jacket

noun
: a life preserver that is worn like a jacket or vest
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