This meaning describes information, rules, or decisions formally accepted by an organization or government.
The official results will be announced tomorrow.
English is an official language in several countries.
This meaning refers to activities performed as part of a formal role or public office.
The president arrived for an official visit.
She attended the event in her official capacity.
As a noun, official refers to someone with formal authority or responsibility.
A government official answered the reporters' questions.
Match officials reviewed the incident after the game.