Englishfor English speakers
official
Adjective
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Something that is official is approved by some authority.
The letter was an official document from the president.
official
Noun
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An official is a person who has certain authority.
That government official collects taxes.
family
Noun
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A family is a group of people with a blood or marriage relation.
My parents and my two brothers are my family.
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A language family is a group of languages that is believed to have came from the same language.
The Indo-European language family is a family of languages that is spoken by 3 billion people.