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English definition of “official”

official

adjective     /əˈfɪʃ.əl/
C2 relating to a position of responsibility : He visited China in his official capacity as America's trade representative . Number Ten Downing Street is the British prime minister's official residence . → Opposite unofficialPosition and status in groups and organizations B2 agreed to or arranged by people in positions of authority : The official photos of the prime minister's tour of India are in the magazine . The Queen will attend the official opening of the theatre in June . There is to be an official inquiry into the incident .Position and status in groups and organizations C2 If a piece of information is official, it has been announced publicly with authority : Their engagement is now official. Inflation has fallen below two percent , and that's official.Announcing, informing and stating
(Definition of official adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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