Sentence examples for the official language from inspiring English sources

"the official language" is grammatically correct and can be used in written English.
You can use it to refer to the language or languages that are officially recognized and used by a country, organization, or community. Examples: - English is the official language of the United States. - In Canada, both English and French are considered official languages. - The United Nations has six official languages: English, French, Spanish, Chinese, Russian, and Arabic. - In this country, the government documents are all written in the official language, which is not the native language for many citizens.