This is the 12897th most frequent Spanish word.
pasado
"Pasado" means "past" in English.
Here 'pasado' is used as a noun to refer to a time period that has already occurred.
He estudiado mucho en el pasado.
I have studied a lot in the past.
In this sentence, 'pasado' serves as an adjective, meaning 'last' or 'previous' in reference to an event.
El examen pasado fue muy difícil.
The last exam was very difficult.
Here, 'pasado' is employed as the past participle of the verb 'pasar,' indicating that an action has been completed.