This is the 779th most frequent Danish word.
afgjort
"Decided" or "definite."
Here, 'afgjort' is used as an adverb meaning 'definitely' or 'certainly', expressing certainty.
Det er afgjort den bedste løsning.
It is definitely the best solution.
In this sentence, 'afgjort' is the past participle of the verb 'afgøre', meaning 'to decide', and expresses the action of a decision being made.
Retten har afgjort sagen.
The court has decided the case.
Again, 'afgjort' acts as the past participle of 'afgøre', used here in a passive construction to indicate something that has been resolved or determined.