This is the 13543rd most frequent Polish word.
pierwszoligowych
The word "pierwszoligowych" means "first-league" or "top-tier" in English, often referring to high-level sports teams or figuratively to high-ranking entities.
In this sentence, 'pierwszoligowych' is used as a descriptive adjective in the genitive plural form, describing the trainers associated with the premier league.
Zatrudniono trenerów pierwszoligowych w celu poprawy wyników drużyny.
Coaches from first-league teams were hired to improve the team's performance.
Here, 'pierwszoligowych' serves as an adjective in the genitive plural, modifying 'teams' to indicate they are from the premier league.
To był turniej z udziałem pierwszoligowych drużyn.
It was a tournament with the participation of first-league teams.
In this sentence, 'pierwszoligowych' is modifying 'football players' in the genitive plural, denoting their connection to the premier league.