This is the 4114th most frequent Catalan word.
discutible
Open to debate or questionable.
Here, "discutible" means that the idea is open to debate or discussion.
La seva idea és discutible per les seves implicacions.
His idea is debatable due to its implications.
In this context, "discutible" suggests that the prize received might not be fully deserving or justified.
El premi que ha guanyat és bastant discutible.
The prize he won is quite questionable.
For this sentence, "discutible" implies that there are doubts or different opinions about the originality of the painting.