Thesaurus.com
Dictionary.com
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.

Partis, who had been tracking the bird for almost 12 hours, said it was his first time seeing a western reef heron.

From BBC • Jun. 9, 2026

"Then I was quite sure that my gut feeling was right and that it was a western reef heron in front of me," he said.

From BBC • Jun. 9, 2026

Kennedy Shoal is a well-known fishing reef in deep water.

From Barron's • May 24, 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

In the water, the rocks form a crescent shape that calms the waves and forms a coral reef perfect for snorkeling.

From "Everything, Everything" by Nicola Yoon




Vocabulary lists containing reef


Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "reef" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com