morti

In a sentence

• I morti vengono ricordati il giorno della commemorazione.

  The dead are remembered on the day of the remembrance.

  The word 'morti' here is a substantivized adjective to indicate deceased people.

• I fiori per i morti sono lasciati al cimitero.

  Flowers for the dead are left at the cemetery.

  In this context, 'morti' is used as a noun to speak of people who have passed away.

• Ieri è morto un vecchio amico che conoscevo da anni.

  Yesterday, an old friend I had known for years passed away.

  Here, 'morto' is used as the past participle of the verb 'morire' (to die) in a third-person singular form.