Simple Definition of lifeboat

from our Learner's Dictionary

lifeboat

noun

ˈlaɪfˌboʊt

plural lifeboats

: a boat used for saving people's lives

especially : a small boat that is carried on a ship and that is used for saving the lives of the passengers and crew if the ship sinks

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“Lifeboat.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/lifeboat. Accessed 21 Jun. 2026.

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