Australia
Americannoun
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a continent southeast of Asia, between the Indian and Pacific Oceans. 2,948,366 square miles (7,636,270 square kilometers).
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Commonwealth of Australia, a member of the Commonwealth of Nations, consisting of the federated states and territories of Australia and Tasmania. 2,974,581 square miles (7,704,165 square kilometers). Canberra.
noun
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The first settlements there were penal colonies for British convicts.
Its aboriginal tribes, which still exist today (see aborigines), are thought to have migrated from Southeast Asia twenty thousand years ago.
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Example Sentences
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Located in the Pacific Ocean 2,500 miles north east of Australia, Nauru's historical wealth was built on its vast deposits of phosphate from fossilised bird poo.
From BBC ● Jul. 21, 2026
In December last year, Australia became the first country in the world to require TikTok, YouTube, Snapchat and other top sites to remove accounts held by under-16s, or face heavy fines.
From Barron's ● Jul. 21, 2026
The deal has also been cleared by several overseas regulatory bodies including in Australia and China, but is still awaiting approval from the U.K. and the European Union.
From The Wall Street Journal ● Jul. 20, 2026
The competition resumes later in the year for the autumn leg with England next in action against Australia on 8 November.
From BBC ● Jul. 20, 2026
He was my best friend in the whole world, and he’s probably king of Australia by now.
From "Everything Sad Is Untrue" by Daniel Nayeri
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.