coastline
noun
the outline or contour of a coast; shoreline.
coastlines
-
pluralof coastline.plural
The grammatical form denoting more than one person, place, thing, or idea.
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.
Snow and ice blanket many of the islands, while exposed rock, rugged coastlines, and deep fjords form intricate patterns across the frozen region.
From Science Daily ● Oct. 12, 2026
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
Coral reefs support vibrant marine ecosystems, but also act as breakwaters, protecting coastlines from storm-driven erosion and flooding.
From Barron's ● Sep. 10, 2026
“What’s there? I’ll tell you. Two long coastlines, a hundred hidden coves, otters in the lakes, salmon in the rivers, clams along the shore, colonies of seals offshore, tall pines for building ships.”
From "A Dance with Dragons" by George R. R. Martin
