This is the 422nd most frequent Italian word.
diretto
"Diretto" means "direct" in English.
In this context, 'diretto' is used as an adjective describing a train that goes to its destination without stops, thus providing information about the type of service.
Il treno diretto per Roma parte alle 8.
The direct train to Rome departs at 8.
Here, 'diretto' is the past participle of the verb 'dirigere' and indicates an action of guiding someone.
Mi ha diretto verso l'uscita principale.
He directed me towards the main exit.
In this sentence, 'diretto' is an adjective describing a person’s way of speaking truthfully and without hesitation.