coastline
Americannoun
-
the outline or contour of a coast; shoreline.
-
the land and water lying adjacent to a shoreline.
noun
Etymology
Origin of coastline
Vocabulary lists containing coastline
East Asia - Middle School
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Mexico - 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.
The huge operation, which took place on 6 June 1944, saw British, American and Canadian troops storm beaches along the Normandy coastline to begin the liberation of France from Nazi occupation.
From BBC • Jun. 6, 2026
Geological Survey has identified the Big Sur coastline as one of the most landslide-prone areas in the western United States.
From Los Angeles Times • Jun. 4, 2026
Over time, this ability helped the species spread across enormous stretches of coastline and remote islands.
From Science Daily • May 28, 2026
"This is a tragic incident for everyone involved," Burns said, urging people to "continue to enjoy our beautiful coastline and be aware of your surroundings".
From Barron's • May 24, 2026
They followed the coastline, which was mostly marshes.
From "Homecoming" by Cynthia Voigt
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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.