pustego

In a sentence

• Musiałem wyrzucić pustego kartonu po soku.

  I had to throw away the empty juice carton.

  The word "pustego" is used as an adjective describing the state of the carton (masculine form), indicating that it is empty.

• Nie miałem siły do życia na pustego.

  I didn't have the strength to live on an empty stomach.

  Here, "pustego" is used in an idiomatic expression referring to an empty stomach (neuter form).

• Otworzyłem drzwi pustego pokoju.

  I opened the door to the empty room.

  In this sentence, "pustego" is applied to the room (masculine form), describing its lack of occupants or furniture as an adjective.