Australian UK /ɒsˈtɹeɪ.liː.ən/US /ɔˈstɹeɪljən/noun 4adjective 2forms 1 noun4 •A person from the Commonwealth of Australia.An Australian was once appointed on contract, but he swore too much. — 1956 •A person aboriginal to Australia. •A person from the continent of Australia. •Australian English. adjective2 •Of, from, or pertaining to Australia, the Australian people or Australian languages. •(US, humorous) Upside down. formsAustralians
