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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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.
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
"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
Note: Ranges calculated from Cuba’s main island coastline.
From The Wall Street Journal • May 23, 2026
Including Corsica, 1,700 km of coastline, 187 towns along the French Mediterranean coast, and at least 164,000 residents would be affected.
From Science Daily • May 21, 2026
Roz followed him through the water, and before long, a rugged coastline climbed into view.
From "The Wild Robot Protects" by Peter Brown
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.
