No. 12,510 in Polish
największymi
"Największymi" means "the biggest" or "the largest" in its instrumental plural form.
In a sentence
Największymi wyzwaniami w tym projekcie są koszty i czas.
The biggest challenges in this project are costs and time.
The word 'największymi' is used here to mean 'the biggest' in plural instrumental case, modifying the noun 'wyzwaniami' (challenges).
Spotkaliśmy się z największymi gwiazdami muzyki klasycznej.
We met with the biggest stars of classical music.
Here 'największymi' is describing 'gwiazdami' (stars), using plural instrumental case to match the context of the verb.
Pośród największymi atrakcjami turystycznymi tego miasta wyróżnia się stara katedra.
Among the biggest tourist attractions of this city, the old cathedral stands out.
In this instance, 'największymi' modifies 'atrakcjami' (attractions), following the preposition signaling instrumental case.
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