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Word of the Day Wednesday, June 10, 2026

coastline

/kɔːstlaɪn/ noun · British & US
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What does coastline mean?

noun

The line of the sea's edge where it meets the land, or the length of a country's border with the sea. A scenic or attractive part of a coastline, especially one with sandy beaches.

Example

"The coastline of California is known for its beautiful beaches and dramatic cliffs."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for coastline

Antonyms of coastline

Rhymes with coastline

Etymologically related