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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 also pledges to maintain food security and government revenue despite declining reef fisheries.

From BBC • Apr. 26, 2026

The film cuts to a hummingbird sipping nectar from a flower on a cactus, a sea turtle floating over a coral reef, pink flamingos on a green lake, a snowflake, a butterfly.

From The Wall Street Journal • Apr. 16, 2026

"Reefs are finely tuned 3D systems. Their shape controls who lives, who dies and how fast the reef grows."

From Science Daily • Apr. 6, 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

By the time the little boat had been lifted onto the ship, the reef was jagged above the water.

From "Nim’s Island" by Wendy Orr




Vocabulary lists containing reef