This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. 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.

n. A state of uncontrolled excitement or emotion: sports fans in delirium after their team's victory.

n. A temporary mental state with a sudden onset, usually reversible, including symptoms of confusion, inability to concentrate, disorientation, anxiety, and sometimes hallucinations. Causes can include dehydration, drug intoxication, and severe infection.

n. 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.

n. Strong excitement; wild enthusiasm; madness.

n. A disordered state, more or less temporary, of the mental faculties, occurring during illness, especially in febrile conditions.

n. Violent excitement; exaggerated enthusiasm; mad rapture.

n. A hallucination or delusion; a creation of the imagination.

n. a usually brief state of excitement and mental confusion often accompanied by hallucinations

n. state of violent mental agitation

""This is what they call delirium, I guess" he muttered."

mania   

folie    disturbance    mental disturbance    psychological disorder    mental disorder   

delirium tremens   

frenzy    insanity    fury    derangement    aberration    mania    madness    lunacy    excitement   

Miriam    bacterium   

hallucination    convulsion    madness    stupor    frenzy    dizziness    ecstasy    paralysis    intoxication    lethargy