Delirium is an altered state of consciousness characterized by delusions, hallucinations and illusions.

Webster Dictionary Meaning

1. Delirium
- 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.
- Strong excitement; wild enthusiasm; madness.
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