This is the 2187th most frequent Spanish word.
estreno
Premiere or debut.
In this sentence, 'estreno' refers to the first public showing or release of a movie, event, or performance.
Hoy es el estreno de la nueva película.
Today is the premiere of the new movie.
Here, 'estreno' refers to one's first time performing or participating in an event or activity, implying a personal debut.
Usaré este vestido para mi estreno en el teatro.
I will wear this dress for my debut in the theater.
In this sentence, 'estreno' refers to the act of using something for the first time after acquiring it, often implying it is brand new.