Yazidi adjective 1noun 1forms 4 adjective1 •Of or pertaining to the Yazidis or Yazidism. noun1 •A member of an endogamous, largely Kurmanji-speaking ethnoreligious group which practices Yazidism and is natively concentrated mostly in Syria, Iraq, and the Caucasus. formsYazidis · Yazidiz · more Yazidi · most Yazidi