/ dɪˈlɪriəs; NAmE ; BrE also -ˈlɪəriəs/ adjective
1.
in an excited state and not able to think or speak clearly, usually because of fever :
He became delirious and couldn't recognize people.
2.
extremely excited and happy :
The crowds were delirious with joy.
► de·li·ri·ous·ly adverb