What does the word delirium mean?

Usage examples for delirium

  1. But the long hours of unconsciousness and delirium wore away. – Bull Hunter by Max Brand
  2. For a time she knew her head was wrong, and was always asking our pardon- the dear, gentle old woman: then delirium set in strong, without pause. – Famous Stories Every Child Should Know by Various
  3. Is this- can this be a remnant of delirium? – Bye-Ways by Robert Smythe Hichens