Aboriginal

• aboriginal

From aborigine +‎ -al, aborigine being from Latin ab origine (“from the beginning”).

• (US) IPA^(key): /ˌæb.əˈɹɪd͡ʒ.n̩.l̩/, /ˌæb.əˈɹɪd͡ʒ.ɪn.l̩/
• Hyphenation: Ab‧orig‧in‧al

• Audio (UK)

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Aboriginal (comparative more Aboriginal, superlative most Aboriginal)

1. Of or pertaining to Australian Aboriginal peoples, Aborigines, or their language. [First attested in the 19th century.]
2. Alternative letter-case form of aboriginal

• (of Aborigines): aboriginal, Aborigine, aborigine
• (of Aboriginal peoples): aboriginal, Native, native, Native American, First Nations, First Peoples, Indian, Eskimo, Inuit, Metis

• Aborigine, aborigine
• (slang, very offensive) Abo, abo

Aboriginal (plural Aboriginals)

1. An Aboriginal inhabitant of Australia, Aborigine. [First attested in the 19th century.]
2. Alternative letter-case form of aboriginal

Given that -al is an adjective suffix (and that Aboriginal was originally an adjective, Aborigines being the original noun), the usage of aboriginal as a noun was for a time considered incorrect.

Aboriginal

1. Any of the native languages spoken by Australian aborigines.

In Canada, Aboriginal is most commonly capitalized (indicated by its status as the main headword in the Canadian Oxford Dictionary). The term has official status in the Constitution Act of 1982, and while recognizing that it is encountered in lowercase, since 1994 the Government of Canada has recommended the word be always capitalized (like, for example, Asian, Hispanic, and Nordic) and that it be used as a modifier, not a proper noun. It is used in this way by the Canadian Hansard and the Canadian Oxford Dictionary.

The U.S. Chicago Manual of Style recommends to capitalize ethnic groups and their associated adjectives: “Aborigines; an Aborigine; Aboriginal art”.

• “Aboriginal” in the Canadian Oxford Dictionary, Second Edition, Oxford University Press, 2004.
• “Aboriginal” in Dictionary.com Unabridged, Dictionary.com, LLC, 1995–present.
• “Aboriginal people(s)” in the Terminology Guide, Indian and Northern Affairs Canada
• “Capitalized: ‘Aboriginal peoples in Canada’” in the NatNews-north email list
• “Letters About Mulatto and Malignity” (editor's note), CBC.ca
• University of Chicago (2003). The Chicago Manual of Style, 15th edition, p 325. Chicago: University of Chicago Press. →ISBN
• “Aboriginal peoples in Canada” in Wikipedia