official
US /əˈfɪʃ.əl/
UK /əˈfɪʃ.əl/

1.
oficial, formal
relating to an authority or public body and its activities and responsibilities
:
•
The mayor made an official announcement.
El alcalde hizo un anuncio oficial.
•
This is the official website for the event.
Este es el sitio web oficial del evento.
2.
oficial, aprobado
having the approval or authorization of an authority
:
•
The results are not yet official.
Los resultados aún no son oficiales.
•
The decision became official after the board meeting.
La decisión se hizo oficial después de la reunión de la junta.
1.
funcionario, oficial
a person holding public office or having official duties, especially as a representative of an organization or government
:
•
A government official addressed the press.
Un funcionario del gobierno se dirigió a la prensa.
•
He is a high-ranking official in the company.
Es un funcionario de alto rango en la empresa.