'Mahdism' definitions:

Definition of 'Mahdism'

(from WordNet)
noun
Belief in the appearance of the Mahdi; devotion to a Mahdi

Definition of 'Mahdism'

From: GCIDE
  • Mahdism \Mah"dism\, n. Belief in the coming of the Mahdi; fanatical devotion to the cause of the Mahdi or a pretender to that title. -- {Mah"dist}, n.
  • Mahdism has proved the most shameful and terrible instrument of bloodshed and oppression which the modern world has ever witnessed. --E. N. Bennett. [Webster 1913 Suppl.]