75 entries under dullness topic. ×

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depression(noun, melancholy, tedium, monotony)
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dinginess(noun, gloominess, plainness, dirtiness)
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dowdiness(noun, gloominess, plainness, dirtiness)
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feebleness
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forlornness(noun, depression, melancholy, tedium)
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gentility(noun, routine, slowness, mildness)
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gloom(noun, melancholy, tedium, monotony)
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gloominess(noun, tedium, plainness, monotony)
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joylessness(noun, depression, melancholy, tedium)
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melancholy(noun, tedium, monotony)
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mildness(noun, routine, slowness)
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plainness
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sadness(noun, melancholy, tedium, monotony)
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washiness(feebleness, blandness)
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wateriness(feebleness, blandness)
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APASmart Define. (2015). colorlessness thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/colorlessness/thesaurus/synonyms
ChicagoSmart Define. 2015. "colorlessness thesaurus" https://smartdefine.org/colorlessness/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, colorlessness thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/colorlessness/thesaurus/synonyms>.
MLASmart Define. "colorlessness thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/colorlessness/thesaurus/synonyms>