Aboriginal /ˌæb.əˈɹɪd͡ʒ.ɪ.nəl/adjective 1noun 1forms 1 adjective1 •Of or pertaining to Australian Aboriginal peoples, or their languages.Academics who study Aboriginal languages are [...] contributing to Man’s search for knowledge, a search that interests most people even if they are not personally involved in it. — 1991 noun1 •An Aboriginal inhabitant of Australia or other land. formsAboriginals