Borneo

American  

[bawr-nee-oh] / ˈbɔr niˌoʊ /

noun

1. an island in the Malay Archipelago, politically divided among Indonesia, Malaysia, and the British-protected sultanate of Brunei. 290,000 sq. mi. (750,000 sq. km).

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Borneo British  

/ ˈbɔːnɪˌəʊ /

noun

1. an island in the W Pacific, between the Sulu and Java Seas, part of the Malay Archipelago: divided into Kalimantan ( Indonesian Borneo ), the Malaysian states of Sarawak and Sabah, and the sultanate of Brunei; mountainous and densely forested. Area: about 750 000 sq km (290 000 sq miles)

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Borneo Cultural  

1. Island in Indonesia southwest of the Philippines and north of Java.

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The third-largest island in the world, Borneo is mostly covered by dense jungle and rain forest.

Other Word Forms

• Bornean
  adjective

Example Sentences

See Examples For:

Borneo

Indonesia shares the island of Borneo with Malaysia and Brunei.

From Barron's ● Aug. 11, 2026

Another item on sale is a Dayak tribal trophy skull from Borneo, Indonesia.

From BBC ● Jun. 26, 2026

To determine whether these frogs had been significantly underestimated, Chan and his colleagues collected DNA from specimens gathered across the mountainous rainforests of Malaysian Borneo.

From Science Daily ● Mar. 9, 2026

After climbing expeditions to Chad and Borneo, Honnold was inspired to research environmental activism and in 2012 founded the Honnold Foundation to support solar energy projects, according to the organization’s website.

From Los Angeles Times ● Jan. 23, 2026

Grandpa laid the book on the table and both of us read the title, Trapping Monkeys in the Jungles of Borneo.

From "Summer of the Monkeys" by Wilson Rawls