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.
That’s bad news for the program, which is in $22 billion of debt, plus faces rising costs to insure flood prone homes as climate change raises sea levels and intensifies rainstorms. Alex Harris, Miami Herald, 16 Dec. 2025 Globally, ongoing glacier loss contributes to steadily rising global sea levels, which increase danger from flooding, erosion and storm surge in coastal communities. Barbara Moran, NPR, 16 Dec. 2025 The earthquake's epicenter was located roughly 2 miles west of Glen Ellen and occurred above sea level. Ca Earthquake Bot, Sacbee.com, 15 Dec. 2025 The saltwater flats of Badwater Basin sit well below sea level and face steady drought, while snowcapped Telescope Peak towers at 11,049 feet above sea level. Evie Carrick, Travel + Leisure, 15 Dec. 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

Browse Nearby Words

Cite this Entry

“Sea level.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sea%20level. Accessed 18 Dec. 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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