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Australasia

American  
[aw-struh-ley-zhuh, -shuh] / ˌɔ strəˈleɪ ʒə, -ʃə /

noun

  1. Australia, New Zealand, and neighboring islands in the S Pacific Ocean.


Australasia British  
/ ˌɒstrəˈleɪzɪə /

noun

  1. Australia, New Zealand, and neighbouring islands in the S Pacific Ocean

  2. (loosely) the whole of Oceania

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • Australasian adjective

Etymology

Origin of Australasia

Austral(ia) + Asia

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.

Gafcon has members from across the world - including Africa, Asia, the Americas and Australasia – and claims to speak for the majority of the Global South, although that is contested.

From BBC • Mar. 5, 2026

In the case of the vast Australasia field, the crater is thought to lie beneath the ocean.

From Science Daily • Mar. 1, 2026

Both states offer large travel hubs which connect the UK with Africa, Asia and Australasia.

From BBC • Mar. 1, 2026

Before this discovery, only five major tektite fields were known worldwide, located in Australasia, Central Europe, the Ivory Coast, North America, and Belize.

From Science Daily • Mar. 1, 2026

Oceania comprises the Americas, the Atlantic islands including the British Isles, Australasia, and the southern portion of Africa.

From "1984" by George Orwell