Delirium

n.
  1. (Med.) A state in which the thoughts, expressions, and actions are wild, irregular, and incoherent; mental aberration; a roving or wandering of the mind, -- usually dependent on a fever or some other disease, and so distinguished from mania, or madness.
  2. Strong excitement; wild enthusiasm; madness.
    3. Delirium tremens (). (Med.),
    a violent delirium induced by the excessive and prolonged use of intoxicating liquors.
    Traumatic delirium (Med.),
    a variety of delirium following injury.