easy
Colorful fish swam near the reef.
What does Reef mean?
A reef is a raised area under shallow water.
Dictionary definition
A reef is a ridge of rock, coral, or sand near the surface of the water, often home to many ocean animals.
Example sentences
Reef in a sentence
medium
Coral reefs provide shelter for many small sea animals.
hard
Because reefs can be sensitive ecosystems, changes in water temperature may affect many living things that depend on them.
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Practice the meaning of Reef
Answer three quick questions about its meaning and related words.
Question 1 of 3
Practice 1
What is a reef?
A reef is a ridge of rock, coral, or sand in shallow water.
Practice 2
Choose the best word: The snorkelers watched fish move around the coral ___.
Fish often live around coral reefs in the ocean.
Practice 3
Which phrase is most closely related to reef?
A reef can be a raised ridge made of coral, rock, or sand.
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Reef
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WordReef.
Partnoun.
MeaningReef means A reef is a raised area under shallow water.
ExampleExample: Colorful fish swam near the reef.
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Synonyms
Words like Reef
coral reefA coral reef is a reef made mostly by corals and other sea life.
ridgeA reef can be a raised ridge under the water.
Antonyms
Opposite words
deep seaThe deep sea is far below the surface, while many reefs are in shallower water.
open waterOpen water lacks the raised structure and shelter of a reef.
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Word family
Reef word family
Base word
reef
noun
reef
Related form.
noun
reefs
Related form.
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