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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.

Cyanide fishing has historically been used in parts of Southeast Asia to stun or kill fish, often for the live reef trade.

From BBC • Apr. 13, 2026

This allowed them to capture and map the full complexity of natural reef geometry.

From Science Daily • Apr. 6, 2026

Martindale and her research team, including Stéphane Bodin of Aarhus University, were exploring the rugged valley to study the ecology of ancient reef systems that once existed there when the area lay beneath the ocean.

From Science Daily • Mar. 8, 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

And men struggled with numb fingers to reef and loose sails.

From "Carry On, Mr. Bowditch" by Jean Lee Latham




Vocabulary lists containing reef