Synonyms of seawallnext
: a wall or embankment to protect the shore from erosion or to act as a breakwater

Examples of seawall 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.
Multiple boats were washed ashore in Massachusetts, and the storm also raised concerns about coastal erosion as waves crashed into beaches and seawalls. — CBS News, 29 Sep. 2026 The storm also raised concerns about coastal erosion similar to concerns up and down California as waves crashed into beaches and seawalls in recent storms. — Leah Willingham, Los Angeles Times, 29 Sep. 2026 The first defensive stage in Fiji and other island nations was building seawalls, planting mangroves, and improving drainage systems, but at this stage, that’s not enough for the most vulnerable coastal areas, experts say. — Dina Kraft, Christian Science Monitor, 28 Sep. 2026 See All Example Sentences for seawall

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of seawall was in the 15th century

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Cite this Entry

“Seawall.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seawall. Accessed 4 Oct. 2026.

Kids Definition

: a wall or bank to prevent sea waves from wearing away the shore

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