94 entries under unpolluted topic. ×

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squeaky(adjective, fresh, sparkling, spotless)
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total(adjective, clean, wholesome, unadulterated)
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transparent(adjective, clean, wholesome, unadulterated)
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trim(adjective, fresh, sparkling, spotless)
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true(adjective, clean, wholesome, unadulterated)
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twenty-four carat(expression, adjective, clean, wholesome)
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unalloyed(adjective, clean, pure, neat, wholesome)
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unclouded(adjective, clean, wholesome, unadulterated)
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undiluted(adjective, clean, pure, neat, wholesome)
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unmingled(adjective, clean, wholesome, unadulterated)
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unsmudged(adjective, fresh, sparkling, spotless)
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vanilla(adjective, fresh, sparkling, spotless)
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washed(adjective, fresh, sparkling, spotless)
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well-kept(adjective, fresh, sparkling, spotless)
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APASmart Define. (2016). sterile thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/sterile/thesaurus/synonyms
ChicagoSmart Define. 2016. "sterile thesaurus" https://smartdefine.org/sterile/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, sterile thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/sterile/thesaurus/synonyms>.
MLASmart Define. "sterile thesaurus" 1 March 2016. Web. 30 September 2026. <https://smartdefine.org/sterile/thesaurus/synonyms>