official (officials plural )
1 adj Official means approved by the government or by someone in authority.
usu ADJ n (Antonym: unofficial)
According to the official figures, over one thousand people died during the revolution..., A report in the official police newspaper gave no reason for the move.
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officially adv usu ADV -ed, also ADV group, ADV after v
The nine-year civil war is officially over.
2 adj Official activities are carried out by a person in authority as part of their job.
ADJ n (Antonym: private)
The President is in Brazil for an official two-day visit.
3 adj Official things are used by a person in authority as part of their job.
ADJ n
...the official residence of the Head of State.
4 adj If you describe someone's explanation or reason for something as the official explanation, you are suggesting that it is probably not true, but is used because the real explanation is embarrassing.
ADJ n
The official reason given for the President's absence was sickness.
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officially adv ADV with cl/group
Officially, the guard was to protect us. In fact, they were there to report on our movements.
5 n-count An official is a person who holds a position of authority in an organization.
oft n N
A senior UN official hopes to visit Baghdad this month.
6 n-count An official at a sports event is a referee, umpire, or other person who checks that the players follow the rules.