The Collaborative International Dictionary
Deliriousness
Delirious \De*lir"i*ous\, a. [From Delirium.] Having a delirium; wandering in mind; light-headed; insane; raving; wild; as, a delirious patient; delirious fancies. -- De*lir"i*ous*ly, adv. -- De*lir"i*ous*ness, n.
Wiktionary
deliriousness
n. The characteristic of being delirious.