: jointly official
Nationalists called on the French central government to give the language co-official status with French. Elizabeth Bryant

Word History

First Known Use

1891, in the meaning defined above

Time Traveler
The first known use of co-official was in 1891

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Cite this Entry

“Co-official.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/co-official. Accessed 21 Mar. 2025.

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