1. Irritable; peevish; fretful 
2. Affected with nervous complaints; melancholy

Encyclopedia: Spleeny

• demonolatry
• demonology
• demonstrability
• demonstrable
• demonstrably
• demonstrate
• demonstrated
• demonstration
• demonstrative
• demonstrative of
• demonstrative pronoun
• demonstratively
• demonstrativeness
• demonstrator
• demoralisation
• demoralise
• demoralised
• demoralising
• demoralization
• demoralize
• demoralized
• demoralizing
• Demosthenes
• Demosthenic
• demote