1. Hellish
   "Hence loathed Melancholy.../In Stygian cave forlorn" 
2. Dark and dismal as of the rivers Acheron and Styx in Hades
   "upon those roseate lips a Stygian hue"
   - Acheronian, Acherontic

See also: dark, infernal

• necrology
• necrolysis
• necromancer
• necromancy
• necromania
• necromantic
• necromantical
• necrophagia
• necrophagy
• necrophilia
• necrophiliac
• necrophilism
• necrophobia
• necropolis
• necropsy
• necrose
• necrosis
• necrotic
• necrotizing enteritis
• necrotizing enterocolitis
• nectar
• nectar-rich
• nectariferous
• nectarine
• nectarine tree