adj.
- Of, suffering from, or characteristic of delirium.
- Marked by uncontrolled excitement or emotion; ecstatic: delirious joy; a crowd of delirious baseball fans.
deliriousness de·lir'i·ous·ness n.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.