Dark
Dark adjective - Being without light or without much light.
Formidable and dark are semantically related. In some cases you can use "Formidable" instead an adjective "Dark".
Formidable
Formidable adjective - Causing fear.
Dark and formidable are semantically related. Sometimes you can use "Dark" instead an adjective "Formidable".
Nearby Word: formidably
Mutual synonyms
Both words in one sentence
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A primary example of gleeful inversion would be Terry Pratchett's Discworld — you would expect Death's white horse to have a formidable, dark-sounding name.
Source: Naming Conventions -
The Darkshine Knight from Seiken Densetsu 3 wears bulky dark armor, is a formidable swordsman and is second in command to the Big Bad.
Source: Darth Vader Clone - The Dark Chick - Mano, despite being one of the most formidable of the five, is noticeably less stable than the others.
Cite this Source
Formidable and Dark. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/dark/formidable
Dark & Formidable. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/dark/formidable>.
Formidable or Dark. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/dark/formidable.
Google Ngram Viewer shows how "dark" and "formidable" have occurred on timeline