Cerrarse (en. Close)

/θeˈraɾse/

Slang Meanings

To be in a hermetic mode.
Yesterday he was so closed off that he didn't want to talk about anything.
Ayer estuvo tan cerrado que no quiso hablar de nada.
To distance oneself or disconnect from a social situation.
After the argument, he closed himself off and didn't go out again.
Después de la discusión, se cerró y no volvió a salir.