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
India has some pretty successful efforts to protect the olive ridley sea turtle, a vulnerable species which nests on the country's long coastlines.
—
Diaa Hadid, NPR, 5 Sep. 2025
Enjoyment at the waterfront America’s coastlines, shorelines, lakes and rivers are often prime destinations for vacationers, but access to them can be limited by private development, and parking and admission fees can be costly.
—Jeffrey C. Hallo, The Conversation, 4 Sep. 2025
Watch Hill’s Serene Beaches The village is surrounded on three sides by water, and each of those coastlines offers a different experience.
—Julie Tremaine, Forbes.com, 1 Sep. 2025
The aftershocks highlighted the vulnerability of global coastlines in the Pacific Ring of Fire which is marked by intense tectonic activity.
—Gabe Whisnant, MSNBC Newsweek, 28 Aug. 2025
The Outer Banks of North Carolina is known for its stunning coastlines and iconic lighthouses—but there’s far more to discover beyond the postcard views.
—Outside Online, 26 Aug. 2025
As today’s world faces rising sea levels driven by climate change, the researchers hope to shed light on how Stone Age societies adapted to shifting coastlines more than eight millennia ago.
—Jason Ma, Fortune, 26 Aug. 2025
Erin could keep pushing the ocean onto coastlines through at least Friday.
—Mary Gilbert, CNN Money, 21 Aug. 2025
The idea is to spend more time out on the water exploring the surroundings – distant coastlines, inlets, islands, rivers, etc.
—New Atlas, 21 Aug. 2025
Diaa Hadid, NPR, 5 Sep. 2025
Enjoyment at the waterfront America’s coastlines, shorelines, lakes and rivers are often prime destinations for vacationers, but access to them can be limited by private development, and parking and admission fees can be costly.
—Jeffrey C. Hallo, The Conversation, 4 Sep. 2025
Watch Hill’s Serene Beaches The village is surrounded on three sides by water, and each of those coastlines offers a different experience.
—Julie Tremaine, Forbes.com, 1 Sep. 2025
The aftershocks highlighted the vulnerability of global coastlines in the Pacific Ring of Fire which is marked by intense tectonic activity.
—Gabe Whisnant, MSNBC Newsweek, 28 Aug. 2025
The Outer Banks of North Carolina is known for its stunning coastlines and iconic lighthouses—but there’s far more to discover beyond the postcard views.
—Outside Online, 26 Aug. 2025
As today’s world faces rising sea levels driven by climate change, the researchers hope to shed light on how Stone Age societies adapted to shifting coastlines more than eight millennia ago.
—Jason Ma, Fortune, 26 Aug. 2025
Erin could keep pushing the ocean onto coastlines through at least Friday.
—Mary Gilbert, CNN Money, 21 Aug. 2025
The idea is to spend more time out on the water exploring the surroundings – distant coastlines, inlets, islands, rivers, etc.
—New Atlas, 21 Aug. 2025
Recent Examples of Synonyms for coastlines
Noun
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Wake up with the distinct call of the Asian koel and walk the silica shores as hermit crabs scuttle by and baby blacktip reef sharks play in the lapping waves.—
Katie Lockhart,
Travel + Leisure,
7 Sep. 2025
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Now that his $12 million estate in the suburban city of Carmel, Indiana, has snagged a buyer after only a few short days on the market, the family of Indianapolis Colts owner Jim Irsay has also decided to put their late patriarch’s vacation retreat on the shores of Lake Maxinkuckee up for sale.—
Wendy Bowman,
Robb Report,
3 Sep. 2025
Noun
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Do not enter the water when authorities close beaches to swimmers and warn of dangerous rip currents.—
Jeanine Santucci,
USA Today,
10 Sep. 2025
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Nea Styra is a small coastal town on the southern tip of Evia, Greece's second-largest island, known for its beaches, fishing harbor, and ferry link to the mainland town of Agia Marina in Attica.—
Shane Croucher
John Feng,
MSNBC Newsweek,
9 Sep. 2025
Cite this Entry
“Coastlines.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/coastlines. Accessed 11 Sep. 2025.
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