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Synonyms

life jacket

American  

noun

  1. a sleeveless jacket of buoyant or inflatable construction, for supporting the wearer in deep water and preventing drowning.


life jacket British  

noun

  1. an inflatable sleeveless jacket worn to keep a person afloat when in danger of drowning

"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

Etymology

Origin of life jacket

First recorded in 1865–70

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It is the only life jacket from the Titanic to be sold at auction in the 114 years since the ship sank, going under the hammer at Henry Aldridge & Son in Devizes, Wiltshire.

From BBC • Apr. 18, 2026

It is the only life jacket from one of the survivors ever to be put up for sale, with auctioneers describing the rare item as a "once in a lifetime opportunity for collectors".

From BBC • Apr. 15, 2026

"At this time, you know, the waves are massive, and I have no life jacket on. So anyway, I just keep swimming. I do breaststroke. I do freestyle. Survival backstroke."

From Barron's • Feb. 3, 2026

"He swam, he reckons, the first two hours with a life jacket on," Bresland told national broadcaster ABC.

From Barron's • Feb. 3, 2026

I got my life jacket on, but so what?

From "The Young Man and the Sea" by Rodman Philbrick

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