Synonyms|135Antonyms|0|Broader|6Narrower|0Related|196
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heather(charcoal, starless)
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ignominious
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inglorious
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midnight(adjective, dark, black)
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mordant
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opprobrious
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oyster(heather, charcoal, starless)
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scoria(noun, slag)
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silvered(heather, charcoal, starless)
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silvery(heather, charcoal, starless)
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smuggled
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sooty
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stoner(heather, charcoal, starless)
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volcanic glass(expression, idiom)
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volcano matter(noun, expression, slag)
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APASmart Define. (2015). obsidian thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/obsidian/thesaurus/synonyms
ChicagoSmart Define. 2015. "obsidian thesaurus" https://smartdefine.org/obsidian/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, obsidian thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/obsidian/thesaurus/synonyms>.
MLASmart Define. "obsidian thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/obsidian/thesaurus/synonyms>