4
octane
4
oxford grey
4
propane(noun, fuel)
4
raven(adjective, obscure, dark, gloomy, pitch)
4
sloe(adjective, obscure, dark, gloomy, pitch)
4
smut
4
tracing(noun, drawing)
4
wood coal(noun, expression, idiom)
3
ash
3
atramentous(adjective, obscure, dark, gloomy, pitch)
3
combustion(noun, fuel)
3
culm(noun, slack, fuel, cleaner, bitumen)
3
draft
3
draught
3
fireball
3
inklike(adjective, obscure, dark, gloomy, pitch)
3
melanoid(adjective, obscure, dark, gloomy, pitch)
3
obsidian(adjective, obscure, dark, gloomy, pitch)
3
onyx(adjective, obscure, dark, gloomy, pitch)
3
painting(noun, drawing, painting)
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APASmart Define. (2015). charcoal thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/charcoal/thesaurus/synonyms
ChicagoSmart Define. 2015. "charcoal thesaurus" https://smartdefine.org/charcoal/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, charcoal thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/charcoal/thesaurus/synonyms>.
MLASmart Define. "charcoal thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/charcoal/thesaurus/synonyms>