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

Canada and Mexico – traveling to locations in Europe, Asia, Oceania and South America — the sprint to the end, while still challenging, was suddenly manageable.

From Los Angeles Times • Jun. 7, 2026

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

That meant the 2034 event had to go to Asia or Oceania.

From BBC • Feb. 25, 2026

Collectively, the Party owns everything in Oceania, because it controls everything and disposes of the products as it thinks fit.

From "1984" by George Orwell