of or relating to the river Styx dark, gloomy, or hellish
WordReference Random House Unabridged Dictionary of American English © 2025
Styg•i•an
(stij′ē ən),USA pronunciation adj.
- Mythologyof or pertaining to the river Styx or to Hades.
- dark or gloomy.
- infernal;
hellish.
- Greek Stýgios (Styg-, stem of Stýx Styx + -ios adjective, adjectival suffix) + -an
- Latin Stygi(us)
- 1560–70
Collins Concise English Dictionary © HarperCollins Publishers::
'Stygian' also found in these entries (note: many are not synonyms or translations):