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Indonesian

American  
[in-duh-nee-zhuhn, -shuhn, -zee-uhn, -doh-] / ˌɪn dəˈni ʒən, -ʃən, -zi ən, -doʊ- /

noun

  1. a member of the ethnic group consisting of the natives of Indonesia, the Filipinos, and the Malays of Malaysia.

  2. a member of a population supposed to have been resident in the Malay Archipelago before the Malays, and believed to constitute one element of the present mixed population of Malaysia and perhaps Polynesia.

  3. Official Name Bahasa Indonesia.  an Indonesian language that is based on the form of Malay spoken in Java and has the status of official language in the Republic of Indonesia.

  4. the westernmost branch of the Austronesian family of languages, including Malay, Indonesian, Tagalog, and Malagasy.


adjective

  1. of or relating to the Malay Archipelago.

  2. of or relating to Indonesia, the Indonesians, or their languages.

Indonesian British  
/ ˌɪndəʊˈniːzɪən /

adjective

  1. of or relating to Indonesia, its people, or their language

"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

noun

  1. a native or inhabitant of Indonesia

  2. another name for Bahasa Indonesia

"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

Derived Forms

Etymology

Origin of Indonesian

First recorded in 1840–50; Indonesi(a) + -an

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.

Jakarta also gained as the rupiah strengthened following a surprise rate hike by the Indonesian central bank.

From Barron's • Jun. 10, 2026

Drivers are higher mill throughput and transition of the Indonesian copper and gold producer’s Batu Hijau mine to Phase 8.

From The Wall Street Journal • Jun. 8, 2026

The Indonesian economy grew 5.61 percent year-on-year in the first quarter of 2026 -- the strongest expansion since the third quarter of 2022, according to the BPS.

From Barron's • Jun. 2, 2026

The Indonesian rupiah hit a record low against the dollar this month.

From Barron's • May 23, 2026

The Jomon language of Kyushu may instead have shared a common ancestor with the Austronesian language family, which includes Polynesian and Indonesian languages and the Aboriginal languages of Taiwan.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond

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