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Coastline - Meaning, Definition & English Examples

A coastline is the boundary where land meets a sea or ocean. It includes beaches, cliffs, and other landforms shaped by waves, tides, and erosion over time.

coastline

/ˈkoʊstlaɪn/ /ˈkəʊstlaɪn/

Definition:

The outline of a coast where land meets the sea or ocean.

Synonyms:

shore, seaboard, shoreline, littoral

Part of Speech:

noun

Antonyms:

inland, interior

Common Collocations:

rugged coastline, sandy coastline, coastal erosion, coastline protection, coastline mapping

Derivatives:

coastal, coastliner

Usage Tips:

Use "coastline" to describe the shape or features of a shore where land and water meet.

Common Phrases:

along the coastline, coastline retreat, coastline development

Etymology:

Derived from "coast" (Old French "coste") + "line," referring to the boundary of a shore.

Examples:

  • 1. The coastline is rocky and uneven in this region.
  • 2. We walked along the sandy coastline for hours.
  • 3. The map shows the country’s entire coastline in detail.
  • 4. Pollution threatens the fragile coastline ecosystem.

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