2
melanoid(adjective, obscure, dark, gloomy, pitch)
2
onyx(adjective, obscure, dark, gloomy, pitch)
2
pitchy(adjective, pitch, black, murky, somber)
1
stone(noun, rock)
1
carbon(noun, mineral)
1
charcoal(adjective, obscure, dark, gloomy, pitch)
1
granite(noun, rock, heather, charcoal, starless)
1
pitch-dark(adjective, obscure, dark, gloomy, pitch)
1
raven(adjective, obscure, dark, gloomy, pitch)
1
sloe(adjective, obscure, dark, gloomy, pitch)
1
sombre(adjective, obscure, dark, gloomy, pitch)
1
stygian(adjective, obscure, dark, gloomy, pitch)
1
swart(adjective, obscure, dark, gloomy, pitch)
1
asphalt
1
black
1
cobalt(noun, mineral)
1
coke(noun, mineral)
1
corundum(noun, mineral)
1
cryolite(noun, mineral)
1
crystal(noun, mineral)
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APASmart Define. (2015). obsidian thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/obsidian/thesaurus/synonyms
ChicagoSmart Define. 2015. "obsidian thesaurus" https://smartdefine.org/obsidian/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, obsidian thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/obsidian/thesaurus/synonyms>.
MLASmart Define. "obsidian thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/obsidian/thesaurus/synonyms>