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:
These shuttle ships use a route close to Oman's coastline.
From BBC ● Oct. 16, 2026
The city's coastline also allows undersea cables to link Visakhapatnam to South Africa and Australia, "positioning Andhra Pradesh as India's third major subsea hub", Smith said.
From Barron's ● Oct. 11, 2026
Forecasters warned storm surges could reach as high as 5 feet in parts of Alabama and Florida, moving rising water inland from the coastline.
From The Wall Street Journal ● Oct. 10, 2026
Architect Amal Alabadla, who lived in a comfortable flat prior to the war, now lives in a tent on the coastline.
From BBC ● Oct. 8, 2026
Roz followed him through the water, and before long, a rugged coastline climbed into view.
From "The Wild Robot Protects" by Peter Brown
Based on the latest projections, the coastlines of Alabama and Mississippi could be the most affected, Molchanov noted.
From MarketWatch ● Oct. 9, 2026
The state’s coastlines have been inundated with high surf for much of the summer, leading to severe erosion at some of the state’s most popular beaches.
From Los Angeles Times ● Oct. 2, 2026
Seagrass habitats store carbon, support biodiversity and help protect coastlines from erosion, but are declining globally due to pollution, development, disturbance and climate change.
From BBC ● Sep. 26, 2026
Sea ice acts as a natural barrier that helps protect Arctic coastlines from powerful waves.
From Science Daily ● Sep. 14, 2026
I was awed by the immense beauty of South Africa, seen from high up in the clouds: rolling hills and plains, meandering rivers and mountain ranges, thick forests, magnificent coastlines, luscious farmland.
From "Kaffir Boy: An Autobiography" by Mark Mathabane
Random Word
Spin the wheel and learn a new word!
Get a wordDefinitions 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.
