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.
And the sea level, as glaciers melt, is rising. Vann R. Newkirk Ii, The Atlantic, 10 Nov. 2025 The earthquake's epicenter was located roughly 2 miles southeast of Johnsville and occurred above sea level. Ca Earthquake Bot, Sacbee.com, 10 Nov. 2025 Rising sea levels and relentless storms are erasing land faster than locals – or officials – can respond. Samantha Delouya, CNN Money, 7 Nov. 2025 Antarctica is the subject of intense scrutiny by climate scientists due to its potential to significantly contribute to sea level rise as global temperatures continue to warm. Julia Jacobo, ABC News, 3 Nov. 2025 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 14 Nov. 2025.

Kids Definition

sea level

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

More from Merriam-Webster on sea level

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