say it: aw-STRAY-lyuhn
australian is a noun and adjective meaning "a native or inhabitant of Australia". It carries 3 recorded senses.
a native or inhabitant of Australia
the Austronesian languages spoken by Australian aborigines
Australia
of or relating to or characteristic of Australia or its inhabitants or its languages
“Australian deserts”
“Australian aborigines”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for australian come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.