56 entries under dull topic. ×

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disagreeable(gloomy, miserable)
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discouraging(sad, dark, gloomy, miserable)
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earnest(dark, gloomy, sober, serious)
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ghastly(gloomy, miserable)
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gruesome(gloomy, miserable)
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horrid(gloomy, miserable)
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monotonous(gloomy, miserable)
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no-nonsense(dark, gloomy, sober, serious)
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obscure(dark, gloomy, dim, depressing)
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sedate(dark, gloomy, sober, serious)
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shady(dark, gloomy)
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sourpuss(dark, gloomy)
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staid(dark, gloomy, sober, serious)
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tedious(gloomy, miserable)
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troublesome(gloomy, miserable)
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weighty(dark, gloomy, sober, serious)
<123>
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APASmart Define. (2016). lugubrious thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/lugubrious/thesaurus/synonyms
ChicagoSmart Define. 2016. "lugubrious thesaurus" https://smartdefine.org/lugubrious/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, lugubrious thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/lugubrious/thesaurus/synonyms>.
MLASmart Define. "lugubrious thesaurus" 26 February 2016. Web. 27 September 2026. <https://smartdefine.org/lugubrious/thesaurus/synonyms>