D defs.my
Entry 2 senses Webster, 1913

Delirium

/(dē̇*lĭr"ĭ*ŭm)/ · De·lir·i·um · IPA /dɪˈlɪɹ.i.əm/
01 n. A state in which the thoughts, expressions, and actions are wild, irregular, and incoherent; mental aberration; a roving or wandering of th…
  1. 1.
    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.(Med.)
  2. 2.
    Strong excitement; wild enthusiasm; madness.
    “The popular delirium [of the French Revolution] at first caught his enthusiastic mind.” W. Irving.
    “The delirium of the preceding session (of Parliament).” — Morley.
Phrases & compounds
Delirium tremens — a violent delirium induced by the excessive and prolonged use of intoxicating liquors.
Traumatic delirium — a variety of delirium following injury.