Stygian
adjective/ˈstɪdʒiən/
/ˈstɪdʒiən/
[usually before noun] (literary)- very dark, and therefore frightening
- Stygian gloom
More Like This Expressions from history and legendExpressions from history and legendWord OriginFrom the Styx, the river in the underworld which the souls of the dead had to cross in Greek myth.
Check pronunciation:
Stygian