: a wall or embankment to protect the shore from erosion or to act as a breakwater
Examples of seawall in a Sentence
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The seawalls along Biscayne Bay have gotten higher, and flooding from rainfall has become more and more of a problem.
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Vann R. Newkirk Ii, The Atlantic, 10 Nov. 2025
Designed to the highest engineering standards, the property features a state-of-the-art seawall, expansive ocean-view terraces, and resort-style outdoor living spaces—offering both architectural distinction and long-term durability against the elements.
—News Release, San Diego Union-Tribune, 7 Nov. 2025
In Flagler County, numerous docks flooded and waves were topping over some seawalls along a series of canals off the Intracoastal in Palm Coast, and a few inches of tidal flooding was reported in the oceanfront community of Flagler Beach, emergency officials told the weather service.
—Dinah Voyles Pulver, USA Today, 11 Oct. 2025
Locals gather around fires near the seawall or hike to the ruins of Sutro Baths.
—Becca Blond, AFAR Media, 7 Oct. 2025
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Vann R. Newkirk Ii, The Atlantic, 10 Nov. 2025
Designed to the highest engineering standards, the property features a state-of-the-art seawall, expansive ocean-view terraces, and resort-style outdoor living spaces—offering both architectural distinction and long-term durability against the elements.
—News Release, San Diego Union-Tribune, 7 Nov. 2025
In Flagler County, numerous docks flooded and waves were topping over some seawalls along a series of canals off the Intracoastal in Palm Coast, and a few inches of tidal flooding was reported in the oceanfront community of Flagler Beach, emergency officials told the weather service.
—Dinah Voyles Pulver, USA Today, 11 Oct. 2025
Locals gather around fires near the seawall or hike to the ruins of Sutro Baths.
—Becca Blond, AFAR Media, 7 Oct. 2025
See All Example Sentences for seawall
Cite this Entry
“Seawall.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seawall. Accessed 20 Nov. 2025.
Copy CitationKids Definition
seawall
noun
sea·wall
ˈsē-ˌwȯl 
: a wall or bank to prevent sea waves from wearing away the shore
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