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Stygian

American  
[stij-ee-uhn] / ˈstɪdʒ i ən /
Also stygian

adjective

  1. of or relating to the river Styx or to Hades.

  2. dark or gloomy.

  3. infernal; hellish.


Stygian British  
/ ˈstɪdʒɪən /

adjective

  1. of or relating to the river Styx

  2. literary

    1. dark, gloomy, or hellish

    2. completely inviolable, as a vow sworn by the river Styx

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Etymology

Origin of Stygian

1560–70; < Latin Stygi ( us ) < Greek Stýgios ( Styg-, stem of Stýx Styx + -ios adj. suffix) + -an

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A subtle reference to Serra’s father, a pipe fitter at a shipyard near San Francisco, it also puts us in mind of Charon’s ferry, shuttling souls across Stygian waters.

From The Wall Street Journal • Oct. 31, 2025

He parked next to a dimly lit footbridge, which wobbled with our passage above a Stygian chasm.

From Washington Post • Apr. 22, 2022

There, Levi conjured a Stygian exoplanet of glissandos and microtones and processed percussive sounds, evoking the truly alien better than the most lavish special effects ever could have done.

From The New Yorker • Feb. 23, 2017

An ominous, rumbling score adds menace, suspended chords and electronic creaks suggesting a descent into some Stygian world.

From The Guardian • Oct. 19, 2014

His Stygian iron sword lay by his side, next to Hazel’s spatha.

From "The Son of Neptune" by Rick Riordan

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