Dark
Dark adjective - Not conforming to a high moral standard; morally unacceptable.
Usage example: dark deeds that resulted in the Russian czar being known to history as Ivan the Terrible
Vicious and dark are semantically related. in shameful topic. In some cases you can use "Vicious" instead an adjective "Dark".
Both words in one sentence
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While the Cheshire Cat Grin is a staple of The Trickster, generally one of the good guys, the Slasher Smile is the staple of the Ax-Crazy, unless said hero is a particularly dark or vicious Anti-Hero.
Source: Slasher Smile -
The Fox Sister webcomic presents a very dark and vicious gumiho.
Source: Fantastic Foxes - The main antagonists are dark-themed but so are the cat who helps Coraline while in the Other World and Wybie who wears a black as pitch coat and a vicious-looking skull-like mask.
Source: Dark Is Not Evil / Film
Cite this Source
Vicious and Dark. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/dark/vicious
Dark & Vicious. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/dark/vicious>.
Vicious or Dark. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/dark/vicious.
Google Ngram Viewer shows how "dark" and "vicious" have occurred on timeline