as in coasts
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 coastlines
The widespread collapse of reef ecosystems would be devastating for marine and human life— reefs help support fisheries, and protect coastlines from storm surges and rising sea levels.
—
Simmone Shah, Time, 12 Oct. 2025
Oceans and coastlines contain the highest uncertainties of methane release, according to researchers.
—Julia Jacobo, ABC News, 11 Oct. 2025
Once formed, these waves can travel across entire ocean basins, radiating outward from the point of disturbance and impacting coastlines far from the origin.
—Shane Croucher, MSNBC Newsweek, 10 Oct. 2025
In search of unspoiled vistas and rugged coastlines?
—Bridget Arsenault, Air Mail, 27 Sep. 2025
In Nigeria, aquaculture producers worked with the Acorn, an initiative of Rabobank, to restore mangroves, protecting coastlines while boosting fish populations.
—Felipe Arango, Sourcing Journal, 26 Sep. 2025
Rising seas swallowing coastlines.
—Antonio Maria Delgado, Miami Herald, 23 Sep. 2025
The nine-dash line encompasses much of the South China Sea, including waters near the coastlines of Vietnam, the Philippines, and Malaysia.
—David C. Kang, Foreign Affairs, 19 Sep. 2025
Özçelik and colleagues spent two weeks in June 2022 surveying 10 muddy sites along the existing coastlines by foot.
—Andrew Paul, Popular Science, 18 Sep. 2025
Simmone Shah, Time, 12 Oct. 2025
Oceans and coastlines contain the highest uncertainties of methane release, according to researchers.
—Julia Jacobo, ABC News, 11 Oct. 2025
Once formed, these waves can travel across entire ocean basins, radiating outward from the point of disturbance and impacting coastlines far from the origin.
—Shane Croucher, MSNBC Newsweek, 10 Oct. 2025
In search of unspoiled vistas and rugged coastlines?
—Bridget Arsenault, Air Mail, 27 Sep. 2025
In Nigeria, aquaculture producers worked with the Acorn, an initiative of Rabobank, to restore mangroves, protecting coastlines while boosting fish populations.
—Felipe Arango, Sourcing Journal, 26 Sep. 2025
Rising seas swallowing coastlines.
—Antonio Maria Delgado, Miami Herald, 23 Sep. 2025
The nine-dash line encompasses much of the South China Sea, including waters near the coastlines of Vietnam, the Philippines, and Malaysia.
—David C. Kang, Foreign Affairs, 19 Sep. 2025
Özçelik and colleagues spent two weeks in June 2022 surveying 10 muddy sites along the existing coastlines by foot.
—Andrew Paul, Popular Science, 18 Sep. 2025
Recent Examples of Synonyms for coastlines
Noun
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From hidden groves and quiet trails to windswept shores and off-the-beaten paths, these locations were chosen for their ability to offer visitors a true escape — places to unwind and enjoy moments of solitude and peace away from the crowds.—
Laura Daniella Sepulveda,
AZCentral.com,
10 Oct. 2025
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For Yash Raj Films, the return to British shores carries particular resonance.—
Naman Ramachandran,
Variety,
8 Oct. 2025
Noun
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The advisory, which affects some of the state’s beaches on Niihau, Kauai, Oahu, Molokai, and Maui, underscores the ongoing exposure of island communities and tourists to marine hazards.—
Anna Skinner,
MSNBC Newsweek,
14 Oct. 2025
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Some volunteers were putting sandbags at beaches.—
Jason Ma,
Fortune,
12 Oct. 2025
Cite this Entry
“Coastlines.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/coastlines. Accessed 19 Oct. 2025.
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