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.

See Examples For:

In one dramatic episode, an American ship, the Philadelphia, was grounded on a reef and captured, but in 1804, the Americans launched a successful mission to rescue her with no casualties.

From Salon Jul. 4, 2026

"They are extremely colorful and can be spotted on coral reef ecosystems. However, many nudibranchs are very small in size and are extremely difficult to spot underwater with the naked eye."

From Science Daily May 27, 2026

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

From Barron's May 24, 2026

After nearly a year of sailing, the ship struck a reef in heavy storms and foundered on May 21, 1832.

From The Wall Street Journal May 20, 2026

The sea water kept the abalones fresh, but when we had to go out again the night was too dark to find our way to the reef.

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

To reach those ancient reefs, the team had to cross extensive layers of rock known as turbidites.

From Science Daily Jun. 26, 2026

The United Nations Scientific Advisory Board released a report outlining the dangers of crossing irreversible tipping points, from ice melt that would further raise sea levels to the collapse of coral reefs and Amazon decline.

From Barron's Jun. 23, 2026

Oceanographers at the state-controlled Chinese Academy of Sciences said the platform was a temporary scientific research facility studying the shoal’s coral reefs.

From The Wall Street Journal Jun. 23, 2026

Wildfires, floods, melting ice caps, heat waves, the bleaching of ocean reefs.

From Los Angeles Times Jun. 18, 2026

Some say that is a land greater than all the Archipelago, and others say it is mere reefs and rocks with ice between.

From "A Wizard of Earthsea" by Ursula K. Le Guin

Not one platform off California has been reefed.

From Economist Jun. 12, 2014

The firm has only reefed 12 of the 60 Gulf of Mexico platforms it has decommissioned.

From Economist Jun. 12, 2014

Currently, less than a tenth of America’s old oil and gas platforms are reefed.

From Economist Jun. 12, 2014

Pessimistic Mr. Avery, convinced that the U.S. was in for a slump any day, had kept Ward's canvas tightly reefed for the big blow.

From Time Magazine Archive

There was a sailboat with rusty red sails reefed around the booms of the fore and aft masts.

From "Hole in My Life" by Jack Gantos

Part of that action is Patten’s realization that the sailor’s standard storm tactics—including reefing, heaving-to and lying a-hull—will not work in such an intense blow.

From The Wall Street Journal Dec. 8, 2025

State coffers gain: oil firms typically hand over half the money they save by reefing.

From Economist Jun. 12, 2014

Four years ago the Golden State passed a law allowing reefing.

From Economist Jun. 12, 2014

What Dean likes most about the design are the space, comfort and the simple single-line reefing system, which Nautor first perfected on his Swan 44.

From Time Magazine Archive

Pole Star was reefing its own sails and slowing, guiding itself with the minimum acceleration so that it could come up beside them and board.

From "Ship Breaker" by Paolo Bacigalupi




Vocabulary lists containing reef


Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training