coastline
noun
coast·line
ˈkōs(t)-ˌlīn 
1
: a line that forms the boundary between the land and the ocean or a lake
2
: the outline of a coast
Examples of coastline in a Sentence
The plane flew along the eastern coastline.
Recent Examples on the Web
Russia, a dominant military force in the Arctic with an expansive Arctic Ocean coastline, is seen by observers and US intelligence as interested in nearby naval routes, which form a key strategic chokepoint stretching from Greenland toward the United Kingdom.
—
Simone McCarthy, CNN Money, 6 May 2025
West Side On a map, Antigua vaguely resembles an oblong circle, its jagged coastline interrupted by bays, peninsulas, and tiny inlets that hide each of its 365 beaches.
—Carley Rojas Avila, Travel + Leisure, 3 May 2025
From the vibrant streets of Accra to the lush rainforests and golden coastlines, Ghana offers an experience unlike any other—deeply rooted in history, heart, and heritage.
—Brittany Vickers, Essence, 1 May 2025
Step into a real-life fairy tale in your own château, float down peaceful canals, and discover some of Europe’s wildest and most beautiful coastlines.
—Eleanor Aldridge, AFAR Media, 28 Apr. 2025
See All Example Sentences for coastline
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Simone McCarthy, CNN Money, 6 May 2025
West Side On a map, Antigua vaguely resembles an oblong circle, its jagged coastline interrupted by bays, peninsulas, and tiny inlets that hide each of its 365 beaches.
—Carley Rojas Avila, Travel + Leisure, 3 May 2025
From the vibrant streets of Accra to the lush rainforests and golden coastlines, Ghana offers an experience unlike any other—deeply rooted in history, heart, and heritage.
—Brittany Vickers, Essence, 1 May 2025
Step into a real-life fairy tale in your own château, float down peaceful canals, and discover some of Europe’s wildest and most beautiful coastlines.
—Eleanor Aldridge, AFAR Media, 28 Apr. 2025
See All Example Sentences for coastline
Cite this Entry
“Coastline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coastline. Accessed 17 May. 2025.
Copy CitationKids Definition
coastline
noun
coast·line
ˈkōst-ˌlīn
: the outline or shape of a coast
Love words? Need even more definitions?
Merriam-Webster unabridged
Share