pusty

In a sentence

• Pokój wygląda na pusty.

  The room looks empty.

  In this sentence, 'pusty' means 'empty' and describes the appearance of the room, indicating it lacks furniture or items.

• Podczas zajęć sala była prawie pusty.

  During the class, the hall was almost empty.

  Here, 'pusty' again means 'empty,' suggesting that there were few people present in the hall.

• Butelka po wodzie była kompletnie pusta.

  The water bottle was completely empty.

  In this case, 'pusta' indicates that the bottle no longer contains any water, emphasizing the absence of content.