101 entries under dull topic. ×

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worry(verb, upset, trouble, obscure)
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contaminate(stain, discolor)
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corrode(stain, discolor)
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corrupt(stain, discolor)
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damage(stain, discolor)
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defame(stain, discolor)
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defile(stain, color, fade, discolor)
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disgrace(stain, discolor)
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grime(stain, discolor)
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harm(verb, hurt, spoil, dirty)
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hurt(verb, spoil, dirty, corrupt)
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impair(obscure, stain, shadow, veil)
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injure(verb, hurt, spoil, dirty)
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lose luster(expression, stain, discolor)
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lose shine(expression, stain, discolor)
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oxidize(stain, discolor)
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pollute(stain, discolor)
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rust(stain, color, fade, discolor)
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slander(stain, discolor)
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spot(stain, discolor)
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APASmart Define. (2015). darken thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/darken/thesaurus/synonyms
ChicagoSmart Define. 2015. "darken thesaurus" https://smartdefine.org/darken/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, darken thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/darken/thesaurus/synonyms>.
MLASmart Define. "darken thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/darken/thesaurus/synonyms>