coastline
Americannoun
-
coastlines
plural
-
the outline or contour of a coast; shoreline.
-
the land and water lying adjacent to a shoreline.
noun
Other Word Forms
Noun Inflected Forms
Etymology
Origin of coastline
Vocabulary lists containing coastline
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
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With 3,500 miles of craggy coastline, Maine has evolved from a modest seasonal retreat into an increasingly sought-after luxury market.
From The Wall Street Journal ● Aug. 14, 2026
Back at the end of June, the two teenagers had gone to the beach on Venezuela's Caribbean coastline.
From BBC ● Aug. 14, 2026
Outside of the main residence, the grounds of the property are just as attention-grabbing, featuring a spread of entertaining spaces, including covered patios and open-air lounges, all of which offer staggering coastline views.
From MarketWatch ● Aug. 14, 2026
Even without El Niño, ocean temperatures have soared off parts of the coastline — a factor in the recent rounds of uncharacteristic muggy humidity.
From Los Angeles Times ● Aug. 10, 2026
They had Worsley’s compass and an outline map of South Georgia that showed the coastline in detail and a complete blank in the interior of the island.
From "Shipwreck at the Bottom of the World" by Jennifer Armstrong
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For now, it seems to still offer something increasingly difficult to find on Europe’s most coveted coastlines: room to breathe.
From The Wall Street Journal ● Aug. 17, 2026
"Sanctions are being circumvented using ageing and poorly maintained tankers, putting coastlines and marine ecosystems at risk," she said.
From Barron's ● Aug. 6, 2026
That rate is nearly three times the coastline-weighted global average of 2.1 millimeters per year, which represents the mean relative increase recorded along coastlines worldwide.
From Science Daily ● Aug. 3, 2026
The program provides states the ability to review, regulate and provide input on federal projects that affect their coastlines, but not broad veto power.
From Los Angeles Times ● Jun. 26, 2026
When microbes arrived in the Western Hemisphere, he argued, they must have swept from the coastlines first visited by Europeans to inland areas populated by Indians who had never seen a white person.
From "1491" by Charles C. Mann
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.