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
East Asia - Middle School
Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!
Mexico - Introductory
Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!
Southeast Asia - Introductory
Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!
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:
Dans has long been taken with Russia, the country that has by far the most Arctic coastline.
From Salon ● Sep. 16, 2026
A new project is helping to gather data on sharks which can be found off the Kent coastline.
From BBC ● Sep. 14, 2026
The tournament is set to draw up to 75,000 spectators to the links course, set among towering dunes on a rugged stretch of County Clare coastline.
From Barron's ● Sep. 11, 2026
The Malibu residents who live near the beach but up on higher ground are concerned for their neighbors and for the coastline as a whole.
From Los Angeles Times ● Sep. 11, 2026
“Information is very sketchy. From what they can tell, the coastline of Puerto Rico was hard hit.”
From "The Dead and the Gone" by Susan Beth Pfeffer
At the same time, increasing permafrost thaw is further weakening Arctic coastlines, making them more susceptible to erosion and storm damage.
From Science Daily ● Sep. 14, 2026
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
We gathered images from across Kent, Surrey and Sussex, capturing the crowds, coastlines and viewing methods that helped people experience the moment.
From BBC ● Aug. 12, 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
He was one of those struck by the similarity in shape between the facing coastlines of Africa and South America, and from this observation he developed the idea that the continents had once slid around.
From "A Short History of Nearly Everything" by Bill Bryson
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.
