1. relating to an authority or public body and its duties, actions, or responsibilities
2. having the approval or authorization of an authority

1. a person holding public office or having official duties

Examples

• The official announcement will be made tomorrow.
• She received an official letter from the government.
• The official opening ceremony begins at noon.
• A school official met with the parents.
• The election official counted the ballots carefully.
• Is this the official website for the company?
• Government officials discussed the new policy.