Acherontic

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

dark and dismal as of the rivers Acheron and Styx in Hades
- in the depths of an Acheronian forest
- "upon those roseate lips a Stygian hue"-Wordsworth
• Syn:
Acheronian, Stygian
• Similar to:
dark
• Derivationally related forms:
Acheron (for: Acheronian)