Doolboong (also Tulpung or Duulngari) is an extinct Australian Aboriginal language formerly spoken by the Doolboong on the coast of the

Cambridge Gulf Cambridge Gulf is a gulf on the north coast of the Kimberley region of Western Australia. Many rivers flow into the gulf, including the Ord River, Pentecost River, Durack River, King River and the Forrest River, making the environment an ...

in the

Northern Territory The Northern Territory (commonly abbreviated as NT; formally the Northern Territory of Australia) is an Australian territory in the central and central northern regions of Australia. The Northern Territory shares its borders with Western Aust ...

. There are no longer any speakers of Doolboong, and no written records of it exist. However, speakers of the nearby Gajirrabeng and

Miriwoong The Miriwoong people, also written Miriwung and Miriuwung, are an Aboriginal Australian people of the Kimberley region of northern Western Australia. Language Miriwoong language (AIATSIS "Miriwoong / Miriuwung") is one of the three surviving ...

languages say it was similar to Gajirrabeng. This would place it in the Jarrakan family; however, it may instead belong to the neighbouring Worrorran family.

References

{{reflist Jarrakan languages Extinct languages of the Northern Territory