Casto (en. Chaste)

/ˈkas.to/

Slang Meanings

A person who refuses to have sexual relations.
He is so chaste that he has never had a girlfriend.
Él es tan casto que nunca ha tenido una novia.
In some situations, it is used in a mocking tone to refer to someone very serious about morality.
She always acts so chaste that it seems she gets offended by jokes.
Ella siempre actúa tan casto que parece que se ofende con las bromas.