lifeguard

noun

life·​guard ˈlīf-ˌgärd How to pronounce lifeguard (audio)
: a usually expert swimmer employed (as at a beach or a pool) to safeguard other swimmers
lifeguard intransitive verb

Examples of lifeguard in a Sentence

Recent Examples on the Web
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Both beaches are staffed by lifeguards. Kara Williams, USA Today, 25 Apr. 2026 The Iguana, by the way, is legendary Seal Beach lifeguard chief and former big-time surfer Tim Dorsey. Corky Carroll, Oc Register, 25 Apr. 2026 Tacomas will serve the show’s lifeguards throughout the season. Brian Steinberg, Variety, 24 Apr. 2026 Below the tower observation deck is a small office that houses thousands of dollars’ worth of equipment used by lifeguards. Ashley MacKin Solomon, San Diego Union-Tribune, 23 Apr. 2026 See All Example Sentences for lifeguard

Word History

First Known Use

1893, in the meaning defined above

Time Traveler
The first known use of lifeguard was in 1893

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Cite this Entry

“Lifeguard.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lifeguard. Accessed 27 Apr. 2026.

Kids Definition

lifeguard

noun
life·​guard ˈlīf-ˌgärd How to pronounce lifeguard (audio)
: a usually expert swimmer employed at a beach or swimming pool to protect swimmers from drowning

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