stygian
/ˈstɪdʒiən/
very dark, gloomy, or forbidding
stygian in a sentence
“They entered the stygian depths of the cave.”
Origin of stygian
From the River Styx leading to the Underworld
Related Words
apollonian
relating to the rational, ordered, and self-disciplined aspects of human nature
jovial
cheerful and friendly
martial
warlike or appropriate for war
protean
tending or able to change frequently or easily
procrustean
enforcing uniformity or conformity without regard to natural variation
chimeric
hoped for but illusory or impossible to achieve