aborigine abo·ri·gine US/ˌæb.əˈɹɪd͡ʒ.ɪ.ni/ uncommon dated noun 1. the earliest known inhabitants of a region 2. a dark-skinned member of a race of people living in Australia when Europeans arrived SynonymsAboAboriginalnative AustralianAustralian Aborigine Related words Broader terms Australianethnic groupprimitive WordNet 2.1 (Princeton University). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.