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

Border police operate a checkpoint at the Himalayan port, situated more than 1800 meters above sea level. — Billy Stockwell, CNN Money, 26 Aug. 2026

Satellite imagery indicated that part of a glacier at about 17,060 feet above sea level broke away and crashed into the valley below, releasing ice, rock and sediment into the river. — Anthony Thompson, USA Today, 26 Aug. 2026

Top stories California’s coast is under siege A rare convergence of a powerful El Niño, super king tides and sea level rise spurred by climate change could menace California with record coastal flooding this winter. — Deborah Vankin, Los Angeles Times, 24 Aug. 2026

There's literally less air above you on a mountain compared to sea level, meaning less weight from the air above and lower pressure. — Zoe Mintz, CBS News, 23 Aug. 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