The phrase "a distinctive language" is correct and usable in written English.
You can use it to describe a language that has unique characteristics or features that set it apart from others.
Example: "The region is known for its rich cultural heritage, which is reflected in a distinctive language that has evolved over centuries."
Alternatives: "a unique language" or "a characteristic language".
For a majority of groups the basis for collective identity is possession of a distinctive language or dialect.
A paracosm is a society thought up by a child-an invented universe with a distinctive language, geography, and history.
A paracosm is a society thought up by a child — an invented universe with a distinctive language, geography, and history.
Myanmar grants citizenship to 135 ethnic groups but not the Rohingya, who are Muslims with a distinctive language in a mainly Buddhist country.
The Caddoan speakers on the western boundary of the region belong to a distinctive language family that shows remote relationships to the Siouan and Iroquoian families.
It is the capital of Catalonia, a region (or country, according to some of its residents) with a distinctive language, history and traditions.
His pupils were composers as different as George Enescu, Florent Schmitt and Nadia Boulanger; each developed a personal, distinctive language – none more so than Ravel.
Each contract had a unique structure and used distinctive language.
Erromintxela is the distinctive language of a group of Romani living in the Basque Country, who also go by the name Erromintxela.
Rachel Dickstein, the show's inventor and the founder of the company Ripe Time, has developed a distinctive stage language, simple yet effective, overlapping words with movement, poetic image with sound (the score is by the jazz pianist and composer Vijay Iyer).
And in both that article and her recent one in The Wall Street Journal, she used the quote "There's an ant on your southeast leg" to describe an aboriginal Australian people's distinctive language for direction.
