n. The spirit of those who extol the advantage of ignorance; obscurantism. [ 1913 Webster ]

n. The system or the principles of the obscurants. C. Kingsley. [ 1913 Webster ]

n. (Philosophy) The philosophical view considering the fundamental objects of the real world as extended in the direction of time, so that the objects themselves do not change, though temporal parts may have different properties. Contrasted to endurantism, a view considering objects to be wholly present at each instant of time. [ PJC ]

n. Carelessness; apathy; indifference. [ R. ] Carlyle. [ 1913 Webster ]

n. (Eccl. Hist.) Ranterism. [ 1913 Webster ]

n. [ It. tarantismo: cf. F. tarentisme. See Tarantula. ] (Med.) A nervous affection producing melancholy, stupor, and an uncontrollable desire to dance. It was supposed to be produced by the bite of the tarantula, and considered to be incapable of cure except by protracted dancing to appropriate music. [ Written also tarentism. ] [ 1913 Webster ]