abulia

n. əˈbuːlɪə

Loss or impairment of the ability to make decisions or act independently.

Suffering from a severe bout of abulia, Glynnis bought a copy of Twilight so that she could read it from cover to cover before seeing the movie.

abderian

(adj.) given to laughter; inclined to foolish or incessant merriment

Lady Greenweather sighs delicately and briefly considers fortifying her tea with something from her husband's single malt collection. Birthdays are such a bother. She couldn't just very well omit Lady Winkleton from the guest list, but that Abderian boor she married after the Lord Winkleton's hunting accident -- really!

The Winkleton party must be approaching via the topiary and already she can hear the man's nerve-jangling barking rolling towards her in waves of pure horror...