This is the 2434th most frequent Polish word.
australian
The Polish word "australian" means "Australian" in English, referring to a person or thing from Australia.
The word 'australijski' in this sentence is used as an adjective to describe the nationality or origin of the traveler.
On jest australijski podróżnik.
He is an Australian traveler.
Here, 'australijski' is employed as an adjective to denote the origin of the kangaroo, indicating it is from Australia.
Czy ten kangur jest australijski?
Is this kangaroo Australian?
In this sentence, 'australijskiej' (in feminine form due to the noun 'kultury') acts as an adjective describing the type or specificity of the cultural aspect being referred to, linking it to Australia.