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.
Agency experts noted that the El Niños of 2015-16 and 2023-24 brought more frequent, deeper and widespread high-tide flooding, a risk made worse after decades of sea level rise. Los Angeles Times, 15 June 2026 Estadio Monterrey — usually known as Estadio BBVA — is built in the shadow of the Cerro de la Silla, a mountain which rises 1,820 metres above sea level and is part of the Sierra Madre Oriental range in northeastern Mexico. Tomás Hill López-Menchero, New York Times, 13 June 2026 Perched atop Iron Mountain—one of peninsular Florida's highest natural points at 298 feet above sea level—the grounds feature elevation changes uncommon in much of the rest of the state, resulting in a landscape different from what many visitors expect from Florida. Skye Sherman, Southern Living, 11 June 2026 Mass tourism, rising sea levels, and scorching temperatures have been plaguing the unique Italian city. Condé Nast, Condé Nast Traveler, 9 June 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

Browse Nearby Words

Cite this Entry

“Sea level.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sea%20level. Accessed 22 Jun. 2026.

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster