de·lir·i·um
n. pl. de·lir·i·ums or de·lir·i·a (- - ) - A temporary state of mental confusion and fluctuating consciousness resulting from high fever, intoxication, shock, or other causes. It is characterized by anxiety, disorientation, hallucinations, delusions, and incoherent speech.
- A state of uncontrolled excitement or emotion: sports fans in delirium after their team's victory.
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