This is the 2486th most frequent Dutch word.
australische
Australische: Australian.
Here, "Australische" is used as an adjective modifying the plural noun "wijnen", indicating that the wines are from Australia.
Ik hou van Australische wijnen.
I love Australian wines.
In this sentence, "Australische" is used as an adjective to describe the singular noun "kunstenaar", meaning that the artist is from Australia.
De Australische kunstenaar schilderde een prachtig portret.
The Australian artist painted a beautiful portrait.
Here, "Australische" describes the singular abstract noun "cultuur", implying that it pertains to Australia.