He then adds that Khuzi is the unofficial language of the royalty and comes from Khuzestan.

Jamaica has always had a second, "unofficial" language developed from the early days of slavery.

English is the unofficial language of the new China.

Amongst them, Hokkien used to be an unofficial language of business until as recent as the 1980s.

Rather, these are either just one of the official languages of the country or territory, or only unofficial languages used by a strong minority.

These unofficial languages may be used in certain official uses in limited areas where it has been determined that these languages are prevalent.

The unofficial, unwritten language known as Jeballi is the second most spoken language and the mother tongue of many in Salalah and its surrounding areas.

What, speaking in quite unofficial language, is the net purpose and upshot of war?

They also noted that the unofficial language of the royalty itself was yet another dialect, "Khuzi", associated with the western province of Khuzestan.

In some aerospace companies, "the unofficial language is Mandarin," Mr. Lai said, adding, "What are you going to do, throw us all out?"