Discreto (en. Discreet)
/disˈkɾeto/
Slang Meanings
That keeps secrets or sensitive information.
You are very discreet; you never talk about what we know.
Eres muy discreto, nunca hablas de lo que sabemos.
Refers to something that is not ostentatious or flashy.
Your style is very discreet; I like it.
Tu estilo es muy discreto, me gusta.