official
/əˈfɪʃəl/noun
Definitions
An office holder invested with powers and authorities.
Example: David Barnes was the official charged with the running of the sports club.
A person responsible for applying the rules of a game or sport in a competition.
Example: In most soccer games there are three officials: the referee and two linesmen.
adjective
Definitions
Of or pertaining to an office or public trust.
Example: official duties
Derived from the proper office or officer, or from the proper authority; made or communicated by virtue of authority
Example: an official statement or report
Approved by authority; authorized.
Example: The Official Strategy Guide
(pharmaceutical) Sanctioned by the pharmacopoeia; appointed to be used in medicine; officinal.
Example: an official drug or preparation