ostatecznym
Ostatecznym is the instrumental singular form of the Polish adjective ostateczny, meaning final, ultimate, conclusive or definitive. It is used to describe the final state, result, or phase of a process and typically appears in phrases where the modified noun is in instrumental or locative case, for example in a context such as w ostatecznym rozrachunku.
Etymology and sense: The term derives from the root related to ostatni (last), with the suffix -eczny
Usage: In standard Polish, ostateczny conveys formality and finality. Common collocations include ostateczny wyrok (final verdict),