Dictionary.com
Thesaurus.com
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.

"The water is safe when there's a lifeguard and you have a life jacket on," he said.

From BBC

He was wearing an orange life jacket across his wide chest, the buckles stretched so tight they reminded me of rubber bands about to bust.

From Literature

That was when she remembered that she’d left her life jacket on the ship.

From Literature

“So we put on life jackets. That was the compromise.”

From The Wall Street Journal

They were all wearing life jackets - but they had no food or water.

From BBC