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Definitions

reef

[reef] / rif /
NOUN
underwater or partially submerged ledge
Synonyms


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.

It originated from what scientists consider Australia's first 'Great Barrier Reef,' a Devonian era reef system located in the Kimberley region of northern WA.

From Science Daily • Mar. 12, 2026

The tide was lower than expected, so the landing craft were hung up on a reef.

From The Wall Street Journal • Mar. 4, 2026

He said Fishguard residents had told him the ship could be left for scrap, while others believe it might become a reef.

From BBC • Feb. 17, 2026

This approach allowed them to link heat exposure from space with real world reef conditions.

From Science Daily • Feb. 12, 2026

It was too big to weave its way through the reef, so Jack and Nim always sailed out to meet it, and the ship’s captain never saw just how beautiful the island was.

From "Nim’s Island" by Wendy Orr