Oceania

American  

[oh-shee-an-ee-uh, -ah-nee-uh] / ˌoʊ ʃiˈæn i ə, -ˈɑ ni ə /

Also Oceanica

noun

1. the islands of the central and southern Pacific, including Micronesia, Melanesia, Polynesia, and traditionally Australasia. About 3,450,000 sq. mi. (8,935,500 sq. km).

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Oceania British  

/ ˌəʊʃɪˈɑːnɪə /

noun

1. the islands of the central and S Pacific, including Melanesia, Micronesia, and Polynesia: sometimes also including Australasia and the Malay Archipelago

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Other Word Forms

Derived Forms

• Oceanian
  adjective

Compare meaning

How does oceania compare to similar and commonly confused words? Explore the most common comparisons:

• Oceania vs. Australia

Example Sentences

I tested Avast’s performance by running multiple speed tests, spanning North America, Europe, and Oceania.

From Salon • Mar. 21, 2026

Dozens of members in the International Energy Agency finalized their pledges to collectively release 400 million External link barrels of oil from their strategic reserves, which will release supplies immediately in Asia Oceania.

From Barron's • Mar. 15, 2026

Its brands include the more premium Oceania Cruises and the luxury Regent Seven Seas Cruises.

From The Wall Street Journal • Feb. 17, 2026

"Once it got into wild bird populations, we lost ability to control this virus. Now it's established in wild bird populations in all the continental regions of the world except Oceania."

From Science Daily • Feb. 12, 2026

“With Eastasia. Good. And Oceania has always been at war with Eastasia, has it not?”

From "1984" by George Orwell