Dilling (also Delen, Warkimbe; autonym: Warki) is a Hill Nubian language spoken in the northwestern Nuba Mountains in the south of Sudan.

Ethnologue reports that Dilling is moribund, with only older adults speaking the language and not using it with their children.

[2] Dilling has 9 vowels a,e,ẹ,ḙ,i,ọ,ǒ,u and 21 consonants as following (Gebel Delen 1920:3):[full citation needed] voiceless voiced voiceless voiced In Dilling there is no difference grammatical gender in nouns verb forms, pronouns and relative terms, to express a gender in a person one adds expression to clarify such as for example korti (man) or ḙli (woman).

With animals the name classifies gender and species, ‘tẹ’ “female cow” and ‘tere’ “bull”.

(Gebel Delen 1920:40-41) [full citation needed] Dilling does not have specific and non specific articles but it uses personal pronouns of the 3rd person singular or plural and is placed in front of the noun ‘tẹ id’ “the (mentioned) man”(Gebel Delen 1920:42).