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

• goa bean vine
• Goa powder
• goad
• goaded
• goading
• goal
• goal line
• goal-directed
• goal-kick
• goalie
• goalkeeper
• goalless
• goalmouth
• goalpost
• goaltender
• goanna
• goat
• goat antelope
• goat cheese
• goat god
• goat grass
• goat herder
• goat rue
• goat willow
• goat's rue