zmęczona

In a sentence

• Jestem zmęczona po całym dniu pracy.

  I am tired after an entire day of work.

  The word 'zmęczona' is the feminine form of the adjective 'tired', used to describe the state of the person speaking.

• Ona wygląda na zmęczoną po biegu.

  She looks tired after the run.

  Here, 'zmęczoną' is the accusative singular feminine form, describing the direct object of the sentence.

• Jesteśmy zmęczone, bo dużo sprzątałyśmy.

  We are tired because we cleaned a lot.

  In this case, 'zmęczone' is the plural feminine form, describing the state of the group speaking.