aboriginal (adj.)

1660s, "first, earliest, existing from the beginning," especially in reference to inhabitants of lands colonized by Europeans, from aborigines (see aborigine) + -al (1). The specific Australian sense is attested from 1820. The noun meaning "an original inhabitant, an autochthon" is attested from 1760. Related: Aboriginally; aboriginality (1848); aboriginalism (1859).

updated on January 23, 2017

Definitions of aboriginal from WordNet
aboriginal (adj.)
characteristic of or relating to people inhabiting a region from the beginning;
the aboriginal peoples of Australia
Synonyms: native
aboriginal (adj.)
having existed from the beginning; in an earliest or original stage or state;
aboriginal forests
Synonyms: primal / primeval / primaeval / primordial
aboriginal (n.)
an indigenous person who was born in a particular place;
the Canadian government scrapped plans to tax the grants to aboriginal college students
Synonyms: native / indigen / indigene / aborigine
Etymologies are not definitions. From, not affiliated with etymonline.