barrier island

noun

: a long broad sandy island lying parallel to a shore that is built up by the action of waves, currents, and winds and that protects the shore from the effects of the ocean

Examples of barrier island in a Sentence

Recent Examples on the Web
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.
In their natural state, barrier islands are ephemeral. Denise Hruby, Miami Herald, 15 Dec. 2025 The 8-mile-long barrier island is known for its calm Gulf waters, dolphin sightings, and more. Michael Cappetta, Travel + Leisure, 9 Dec. 2025 Connecting the barrier island of Longboat Key to Sarasota and Florida’s mainland, the drawbridge serves as a portal into another world. Tara Massouleh McCay, Southern Living, 29 Nov. 2025 Even without climate change, the Outer Banks—a nearly two-hundred-mile stretch of barrier islands between the mainland and the Atlantic, running from just north of Roanoke Island, where the British first settled in 1585, down the North Carolina coast—are precarious. Bill McKibben, New Yorker, 12 Nov. 2025 See All Example Sentences for barrier island

Word History

First Known Use

1773, in the meaning defined above

Time Traveler
The first known use of barrier island was in 1773

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Cite this Entry

“Barrier island.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/barrier%20island. Accessed 22 Dec. 2025.

Kids Definition

barrier island

noun
: a long broad sandy island parallel to a shore that is built up by the action of waves, currents, and winds

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