- Chad, Chadic, Chadic language - a family of Afroasiatic tonal languages (mostly two tones) spoken in the regions west and south of Lake Chad in north central Africa
--1 is a kind of Afroasiatic, Afro-Asiatic, Afroasiatic language, Afrasian, Afrasian language, Hamito-Semitic
--1 has particulars: West Chadic; Biu-Mandara; East Chadic; Masa