Chadian /ˈt͡ʃædiən/adjective 1noun 1forms 1 adjective1 •Of, from, or pertaining to Chad, a country in Africa.Cameroonian and Chadian soldiers stationed there managed to kill 150 invaders. Among them was the son of Ahmadou Moustafa, a Fotokol resident. — 2015 noun1 •A person from Chad or of Chadian descent.He is one of the tens of thousands of Chadians who fled last year’s fighting in Libya and are now back in their homeland. — 2012 formsChadians