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

Increasing greenhouse gas concentrations, largely from burning fossil fuels, have pushed global temperatures so high that sea levels are rising, and shrinking glaciers and thawing permafrost are leaving mountainsides less stable. — Tarun Gopalakrishnan, The Conversation, 18 Sep. 2026

The Armenian Highlands featured steep climbs, sudden ecological changes and volcanic sources located more than 2,000 or even 3,000 metres above sea level. — Christopher McFadden, Interesting Engineering, 18 Sep. 2026

An inch may not sound like much, but for every third of an inch of sea level rise, another 2 to 3 million people get flooded at least once a year, said lead study author Ines Otosaka, an ice scientist at Northumbria University in England. — Seth Borenstein, Los Angeles Times, 16 Sep. 2026

That's bad news for future sea level rise, the study's authors said. — ABC News, 16 Sep. 2026

Word History

First Known Use

1806, in the meaning defined above

Rhymes for sea level

• daredevil
• sublevel
• bevel
• devil
• multilevel

Kids Definition

sea level

noun

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