as in coast
the land adjacent to a body of water
The state has mainly rocky coastline and few beaches. The plane flew along the eastern coastline.
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Recent Examples of coastline
Our fish farm worked beautifully right up until the NewCoral molted, growing fins and fangs and one rocky fin, terrorizing the coastline and hunting the NewFish almost to NewExtinction.
—
Literary Hub, 11 Sep. 2025
Beaches The coastlines of both countries feature beautiful beaches with white sand and warm, turquoise water.
—Kent Redding, Travel + Leisure, 10 Sep. 2025
Councilmember Stephen Whitburn said the city’s 17 miles of coastline are what make San Diego special and city officials must address sea-level rise to protect them.
—David Garrick, San Diego Union-Tribune, 10 Sep. 2025
All that airborne guano is nature’s marine fertilizer, and scientists have been vastly underestimating how much seabird poop is actually fertilizing our oceans and coastlines.
—Popular Science Team, Popular Science, 10 Sep. 2025
See All Example Sentences for coastline
Literary Hub, 11 Sep. 2025
Beaches The coastlines of both countries feature beautiful beaches with white sand and warm, turquoise water.
—Kent Redding, Travel + Leisure, 10 Sep. 2025
Councilmember Stephen Whitburn said the city’s 17 miles of coastline are what make San Diego special and city officials must address sea-level rise to protect them.
—David Garrick, San Diego Union-Tribune, 10 Sep. 2025
All that airborne guano is nature’s marine fertilizer, and scientists have been vastly underestimating how much seabird poop is actually fertilizing our oceans and coastlines.
—Popular Science Team, Popular Science, 10 Sep. 2025
See All Example Sentences for coastline
Recent Examples of Synonyms for coastline
Noun
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In the Atlantic, a tropical wave is forecast to emerge off the west African coast in the next couple of days.—
Doyle Rice,
USA Today,
12 Sep. 2025
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Most settlements on its coast were washed away.—
M. Rajshekhar,
Time,
11 Sep. 2025
Noun
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While its emerald waters, manta ray dives, and powdery beaches get most of the glory, the island’s food scene alone warrants the journey.—
Kaila Yu,
Forbes.com,
12 Sep. 2025
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Her hobbies include lusting after them, dating them, hanging out at their beach house, contemplative night-swimming in their pool, and occasionally playing volleyball.—
Vogue,
Vogue,
11 Sep. 2025
Noun
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As the shoreline’s clarity diminishes, Berry stressed the importance of this research for conservation efforts, especially doing it collaboratively.—
Amelia Wu,
Sacbee.com,
11 Sep. 2025
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Swim in a direction following the shoreline.—
NC Weather Bot,
Charlotte Observer,
10 Sep. 2025
Cite this Entry
“Coastline.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/coastline. Accessed 16 Sep. 2025.
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