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.
The girl’s body was spotted during an aerial coastline survey about 1:30 p.m.
From Los Angeles Times • Jun. 11, 2026
Reserve buffers for oil have been “more resilient, tanker traffic has found ‘goat paths’ along the Omani coastline, and post-COVID demand behavior has changed more than the market initially understood,” he said.
From MarketWatch • Jun. 11, 2026
"You must stay away from the southern coastline," Little said in a statement, warning that emergency workers would not be coming to help anyone who stayed behind.
From Barron's • Jun. 9, 2026
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
Out of the four large windows facing the water she can see the sine curve of the coastline, the serrated firs in the distance, the glittery amethyst sea.
From "Orphan Train" by Christina Baker Kline
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.
