24 entries under adjective topic. ×
| charcoal(noun, dark, pitch, black) | |
| carbonaceous | |
| disastrous | |
| carbonic | |
| colored | |
| dense | |
| dirty | |
| disgraceful | |
| dispiriting | |
| evil | |
| bleak | |
| dumb | |
| faint | |
| fatal | |
| fateful | |
| ghastly | |
| grim | |
| grisly | |
| gruesome | |
| onyx |
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| APA | Smart Define. (2015). coal thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/coal/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "coal thesaurus" https://smartdefine.org/coal/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, coal thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/coal/thesaurus/synonyms>. |
| MLA | Smart Define. "coal thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/coal/thesaurus/synonyms> |