This is the 768th most frequent Croatian word.
posljednje
"Posljednje" means "last" or "final" in English.
Here, "posljednjem" is the dative singular masculine form of 'posljednji', used as an adjective to describe the noun 'sastanku' (meeting) in the dative case.
Na posljednjem sastanku donijeli smo važne odluke.
At the last meeting, we made important decisions.
In this sentence, "posljednje" is used as an adjective meaning 'last' or 'final', qualifying the noun 'riječi' (words).
Ovo su moje posljednje riječi.
These are my last words.
In this sentence, "posljednje" is used as a neuter singular form of the adjective 'posljednji', describing 'što' (what) as 'last' or 'final'.