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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.

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

The reef is home to a small Philippine military outpost aboard the BRP Sierra Madre, a rusting World War Two-era ship deliberately grounded there in 1999 to assert Manila's claim to the territory.

From BBC • Apr. 13, 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

I did not even go back to the reef for my canoe, though I did take the shaft and the head of the spear, which had cost me much labor, and the sinew line.

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




Vocabulary lists containing reef