CEFR C1

delirium

noun

Meaning

A mental state in which a person is confused, disoriented, and unable to think clearly, often accompanied by hallucinations or delusions.

Examples

  • The doctor warned that a high fever could lead to delirium.
  • He was suffering from delirium tremens after drinking too much alcohol.

Synonyms: confusion, disorientation, derangement, insanity