dead language
language that is no longer the native language of any community, even if it is still in use
Serrano
language in the Serran branch of the Uto-Aztecan family
Piscataway
language
Biri
extinct Australian Aboriginal language spoken in Queensland
Chico
language
Gaya
language used in the Gaya Confederacy of the ancient Korean peninsula, with limited attestation
Tandia
extinct language in Papua
Wadi Wadi
language
Old East Norse
dialect of Old Norse
Middle Bulgarian
standard language during the time of Second Bulgarian Empire
Early Middle Danish
language
extinct language
language that no longer has any first-language or second-language speakers
Old Cham
Ancient writing of Champa kingdom heavily influenced by Sanskrit
Lebanese Syriac
extinct language
Paleo-Arabic
writing script