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Definition of delirium

delirium

/dɪˈlɪr.i.əm/
de · lir · i · um
Adverb:deliriously
•
Plural:deliriums
•
Adjective:delirious
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delirium Lexical Profile

delirium Game Scores & Validity

• noun

1

An acute, disturbed state of mind characterized by restlessness, illusions, incoherence, and reduced awareness of one's surroundings, typically resulting from high fever, intoxication, or underlying medical illness.

Example

"The patient slipped into a feverish delirium during the night and could no longer recognize the hospital staff."

2

A state of wild excitement, unrestrained enthusiasm, or ecstatic emotion.

Example

"The championship goal sent the entire stadium into a state of pure delirium."

Synonyms
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Antonyms
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• Rhymes for delirium

• Nearby Words

delirious
deliriously
deliriousness
delirium
delish
delist
delisting

Word Origin & Etymology

Borrowed in the late 16th century from Latin 'delirium', derived from the verb 'delirare' meaning 'to deviate from a straight track' or 'to be crazy', literally 'to go out of the furrow' (from 'de-' meaning 'away from' and 'lira' meaning 'ridge between furrows').

Cite this Entry

Wordmom. (2026). Definition of Delirium. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/delirium
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