Definition from macmillandictionary.com
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There will be an official investigation into last week’s accident.
You’ll have to get official permission from the headteacher.
China’s official representatives at the United Nations
Spanish is the country’s official language.
His name did not appear in the official report.
The official version is that the whole thing was an accident.
It’s official – the princess is to marry next year.
a list of my official duties
the official country residence of the Prime Minister