Masih ad-Dajjal (literally "The Impostor Messiah")'s an evil figure in Islamic eschatology. He's to appear pretending to be Masih (or the Messiah) at a time in the future, before Yawm al-Qiyamah (Judgment Day). Usage Dajjal's a common Arabic word, used in the sense of "false prophet", but al-Masih ad-Dajjal, with the definite article, refers to "the impostor", a specific end-of times deceiver. The term al-Masīḥ ad-Dajjāl (Arabic for "the false messiah")'s a literal translation… (More on Dajjal)