: 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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Her calls were heard by a good Samaritan in a fishing boat, who promptly called lifeguards to help. Jeff Nguyen, CBS News, 19 Aug. 2026 Santa Cruz teen lifeguard Ryder Williams got a close-up view of the president’s prickly relationship with the press during a White House visit Monday. Bay Area News Group, Mercury News, 19 Aug. 2026 The erosion in Newport Beach comes after a busy summer for lifeguards, who in June had to take roughly 12,000 preventive actions, including moving people out of hazardous situations and carrying out more than 500 rescues. Ruben Vives, Los Angeles Times, 18 Aug. 2026 The event in the Oval Office celebrated a teenage lifeguard who rescued a 10-year-old boy at a beach in Santa Cruz, California, in July. Chantelle Lee, Time, 18 Aug. 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 22 Aug. 2026.

Kids Definition

: a usually expert swimmer employed at a beach or swimming pool to protect swimmers from drowning

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