acheronian
1. [ adjective ] dark and dismal as of the rivers Acheron and Styx in Hades
Synonyms: Stygian Acherontic
Examples:

"in the depths of an Acheronian forest" "upon those roseate lips a Stygian hue"-Wordsworth

Related terms: dark
Similar spelling:   Acheron
  Acherontia
  Acherontic
  acromion
  achromia
  acromikria
  acromicria
  achromasia
  acronym
  achromic
  acronymic