1. a state of mental confusion and excitement often accompanied by hallucinations, typically caused by illness or fever
Usage: medical
2. a state of wild excitement or ecstasy

Examples

• The patient experienced delirium during his high fever.
• She was in a state of delirium after the accident.
• The crowd was in delirium when their team won the championship.
• His delirium made it difficult for doctors to communicate with him.
• The medication helped reduce her delirium.
• Fans were in absolute delirium at the concert.
• The elderly man’s delirium was caused by dehydration.