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Synonyms

sea wall

American  

noun

  1. a strong wall or embankment to prevent the encroachments of the sea, serve as a breakwater, etc.


sea wall British  

noun

  1. a wall or embankment built to prevent encroachment or erosion by the sea or to serve as a breakwater

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of sea wall

before 1000; Middle English; Old English: cliff over the sea

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

On another nearby property overlooking an ancient sea wall, excavations revealed two stone quarries "one Roman and the other Phoenician", she said.

From Barron's Aug. 29, 2026

Speaking at the scene, the BBC's Phillip Norton said it was a "subdued" atmosphere, with police and emergency services "dotted along the sea wall as far as the eye can see".

From BBC Aug. 4, 2026

The storms that tore through Dawlish in 2014 prompted a five-phase project to build a new sea wall in the town, and a large rock shelter just down the line.

From BBC Feb. 14, 2026

He pointed out the newly elevated sea wall, which provided both a scenic walking path and a bulwark against coastal flooding.

From The Wall Street Journal Jan. 2, 2026

Standing on the sea wall at Willemstad, sometimes I’d seen their fins in the water.

From "The Cay" by Theodore Taylor

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