Lit. “false, lying.” The name given in the Hadis to certain religious imposters who shall appear in the world; a term equivalent to our use of the word Antichrist. Muhammad is related to have said there would be about thirty.
The Masihu ‘d-Dajjal, or “the lying Christ,” it is said, will be the last of the Dajjals, for an account of whom refer to the article on MASIHU ‘D-DAJJAL.
Based on Hughes, Dictionary of Islam