Great Barrier Reef

American  

noun

1. a coral reef parallel to the coast of Queensland, in NE Australia. 1,250 miles (2,010 km) long.

---

Great Barrier Reef British  

noun

1. a coral reef in the Coral Sea, off the NE coast of Australia, extending for about 2000 km (1250 miles) from the Torres Strait along the coast of Queensland; the largest coral reef in the world

---

Example Sentences

Australia's Great Barrier Reef, for instance, saw peak heat stress increase each year between 2014 and 2017.

From Barron's • Feb. 10, 2026

Suzanne Rees, 80, was hiking with fellow passengers of the Coral Adventure ship to a lookout spot on Lizard Island, in the Great Barrier Reef, on October 25.

From Barron's • Nov. 2, 2025

The body of Suzanne Rees, 80, was found by rescue workers on Lizard Island on the Great Barrier Reef on Sunday.

From BBC • Oct. 29, 2025

Warmer seas have also caused mass bleaching at its world-famous Great Barrier Reef in Queensland and Ningaloo Reef in Western Australia.

From BBC • Sep. 18, 2025

There was another thing I needed to travel to Queensland, Australia, at the edge of the Great Barrier Reef.

From "The Thing About Jellyfish" by Ali Benjamin