This is the 2721st most frequent Polish word.
dorosłych
"Adults"
Used as a noun in genitive case to describe the group of adults.
Książka jest przeznaczona dla dorosłych.
The book is intended for adults.
Here, 'dorosłych' is an adjective in genitive plural form qualifying the noun 'ludzi' (people).
Mam większy szacunek do dorosłych ludzi.
I have greater respect for adult people.
Used as a noun in genitive plural form referring to adult individuals.