dorosła

In a sentence

• Ona jest już dorosła i musi podejmować własne decyzje.

  She is already an adult and needs to make her own decisions.

  Here, 'dorosła' indicates that the subject (a she feminine entity) has reached adulthood.

• Czy widzisz tę dorosłą kobietę stojącą przy drzwiach?

  Do you see that adult woman standing by the door?

  In this sentence, 'dorosłą' is used in the accusative form to describe a mature woman as part of the completion of the question's predicate.

• W moim życiu dorosła nie była szczęśliwa.

  In my life, an adult woman was not happy.

  Here, 'dorosła' functions as a noun (a substantivized adjective) meaning 'adult woman,' making her the subject of the sentence.