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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 is likely that this reef is protected, for now, by its depths and the mountain's steep slopes.

From BBC • Mar. 7, 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

The researchers analyzed more than 15,000 reef surveys.

From Science Daily • Feb. 12, 2026

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

From Science Daily • Feb. 12, 2026

The waves were so high the next day that I could not fish on the reef even at low tide, and since I had nothing to give him I did not go to the pool.

From "Island of the Blue Dolphins" by Scott O'Dell