sea level

noun

: the level of the surface of the sea especially at its mean position midway between mean high and low water compare ground level sense 1a

Examples of sea level in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Scientists have taken a particular interest in Antarctica's western shelf due to its potential to cause a significant rise in sea levels. ABC News, 9 Apr. 2026 Deaths have suddenly spiked among the feral horses living on an isolated North Carolina island, and researchers say it’s linked to rising sea level and worsening coastal erosion. Mark Price, Charlotte Observer, 8 Apr. 2026 Docu in advanced development follows a 70-year-old Kuna woman who sings to restore spiritual balance while searching for an heiress as rising sea levels threaten her territory. Anna Marie De La Fuente, Variety, 8 Apr. 2026 As sea levels rise, a family on a remote island rescues a mysterious woman. Los Angeles Times, 8 Apr. 2026 See All Example Sentences for sea level

Word History

First Known Use

1806, in the meaning defined above

Time Traveler
The first known use of sea level was in 1806

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Cite this Entry

“Sea level.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sea%20level. Accessed 13 Apr. 2026.

Kids Definition

sea level

noun
: the height of the surface of the sea midway between the average high and low tides

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