- Pathology. affected with or characteristic of delirium.
- wild with excitement, enthusiasm, etc.: She was delirious with joy at the news.
- affected with delirium
- wildly excited, esp with joy or enthusiasm
1703, from stem of delirium + -ous. Figurative use attested from 1791. Related: Deliriously.
- Of, suffering from, or characteristic of delirium.