Yes it is a noun but it could be a proper noun.
No, the word Australian is not an adverb.Australian is actually a noun and an adjective.
The word 'Australian' is a proper adjective, an adjective derived from a proper noun. The noun 'terrier' is a common noun, a general word for a breed of dog. The compound noun 'Australian terrier' can be considered a common noun (a general word for the type of breed) or a proper noun (based on the proper adjective).
It is a noun. Is that what you are asking?
Australian is a proper noun that can be used to describe 'kangaroo'
A wild Australian dog is called a dingo, the plural of which is dingoes.
The noun rupee (plural, repees) is a common noun.
The possessive form of the proper noun Australian is Australian's.Example: An Australian's entry won the beef barbecue category.
Yes, the Australian slang term 'No worries.' is made up of a determiner and a noun.
Yes. Since Australia has only two cricket teams, one for men and one for women, that is the only Australian's women cricket team. Therefore it is a proper noun.
Yes, the word 'Esky" (capital E) is a proper noun, an Australian trademarked product,acontainerforkeepingfoodanddrinks cold, a cooler.
The noun 'national' is a common noun, a general word for a citizen of a particular country. A proper noun is the name of a specific person, place, or thing. A proper noun for the common noun 'national' is an American, an Australian, or a South African.