100 entries under dark topic. ×

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acherontic(dim, depressing)
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bad(dim, depressing)
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badly lit(expression, adjective, gloomy, murky)
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cold(dim, depressing)
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comfortless(dim, depressing)
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depressing
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depressive(dim, depressing)
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disconsolate(dim, depressing)
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discouraging(dim, depressing)
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disheartening(dim, depressing)
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dispiriting(dim, depressing)
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forlorn(dull, dim, black, depressing)
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lugubrious(dim, depressing)
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morose(dim, depressing)
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oppressive(dim, depressing)
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overclouded(dull, dim, black, depressing)
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saddening(dim, depressing)
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sepulchral(dull, dim, black, depressing)
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tenebrific(dim, depressing)
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wintry(dull, dim, black, depressing)
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APASmart Define. (2016). lightless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/lightless/thesaurus/synonyms
ChicagoSmart Define. 2016. "lightless thesaurus" https://smartdefine.org/lightless/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, lightless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/lightless/thesaurus/synonyms>.
MLASmart Define. "lightless thesaurus" 29 February 2016. Web. 22 September 2026. <https://smartdefine.org/lightless/thesaurus/synonyms>