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Synonyms

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

  • trans-Stygian adjective

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

Reynolds helped supply Melville with a more Stygian idea, by exhorting his men to attack Mocha Dick as “though he were Beelzebub himself!” — a demon rather than a whale.

From New York Times • May 2, 2020

The summer-stock theatricality of finding each other dissipated as the pair walked along the museum’s Stygian passageways.

From The New Yorker • May 8, 2017

He sat back in his leather aviator jacket, his black T-shirt and jeans, that wicked silver skull ring on his finger, and the Stygian sword at his side.

From "The House of Hades" by Rick Riordan