coastline
Americannoun
-
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
East Asia - Middle School
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Mexico - Introductory
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Southeast Asia - Introductory
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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.
See Examples For:
Swimmers should be aware of the Lion's Mane, which is a brownish orange colour, and prevalent around Scotland's coastline in the warmer summer months.
From BBC ● Jul. 28, 2026
Moisés López Pedroza, a spokesman for Mexico’s navy, said he could only confirm that no attacks had occurred within his country’s Exclusive Economic Zone, which extends 200 nautical miles from Mexico’s coastline.
From Los Angeles Times ● Jul. 20, 2026
All but one went through an Iranian-controlled route that swings near the country’s coastline.
From The Wall Street Journal ● Jul. 18, 2026
It was the latest visit in a tour of Italy's coastline organised by the ambassador to celebrate the 250th anniversary of the US declaration of independence.
From Barron's ● Jul. 17, 2026
Tired and hungry, Wild devoured a seal steak as he described their nine hours of searching the coastline.
From "Shipwreck at the Bottom of the World" by Jennifer Armstrong
Saudi Arabia was exporting about 4 million barrels of oil a day through Yanbu, at the end of the East-West pipeline that links the kingdom’s two coastlines.
From MarketWatch ● Jul. 21, 2026
Large groups strand together, she explained, because they travel in the same currents and are deposited along coastlines at the same time.
From BBC ● Jun. 18, 2026
Hazardous beach conditions exist for the San Diego and Orange county coastlines through Thursday afternoon.
From Los Angeles Times ● Jun. 10, 2026
"Our goal is to harness the chaotic nature of fire whirls as a powerful, precise restoration tool, to protect coastlines, marine ecosystems and the environment as a whole."
From Science Daily ● Jun. 5, 2026
“What’s there? I’ll tell you. Two long coastlines, a hundred hidden coves, otters in the lakes, salmon in the rivers, clams along the shore, colonies of seals offshore, tall pines for building ships.”
From "A Dance with Dragons" by George R. R. Martin
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.
