This is the 8305th most frequent Swedish word.
australiske
The word "australiske" is not a standard Swedish word. It appears to resemble "australiske" in Danish or Norwegian, meaning "Australian" in English, referring to someone or something from Australia.
In this sentence, 'australiske' is used as an adjective describing the origin of the author, namely Australian, in a definite singular masculine form.
Den australiske författaren vann ett prestigefyllt pris.
The Australian author won a prestigious award.
Here, 'australiske' is used as an adjective describing a singular noun, making reference to the origin or nationality of the doctor.
Jag träffade en australiske läkare på konferensen igår.
I met an Australian doctor at the conference yesterday.
In this instance, 'australiske' clarifies the nationality of the surfer, serving as an adjective linked to the subject.