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.
As sea level continues to rise, experts say these king tides are expected to keep rising too. Alex Harris, Miami Herald, 9 Sep. 2025 The melting of the vast polar ice sheets has become a byword for climate change; these giant frozen landscapes hold enough water to cause catastrophic sea level rise and are experiencing alarming changes as temperatures increase. Laura Paddison, CNN Money, 9 Sep. 2025 And there’s no hotter seat in the league for a newbie than to be stuck 5,280 feet above sea level with Nik Bonitto, Jonathon Cooper and Zach Allen breathing down your neck. Joe Nguyen, Denver Post, 7 Sep. 2025 Rising sea levels from the warming climate are souring coastal freshwater sources while data centers that power AI and cloud computing are consuming water at an insatiable rate. Rodrique Ngowi, Fortune, 7 Sep. 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 13 Sep. 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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