8
contaminant(noun, person, clean, pollution, contamination)
5
impurity(noun, person, clean, pollution, contamination)
4
pollution(noun, stain, corruption, contamination, contaminant)
3
contamination(noun, person, clean, stain, pollution)
3
contaminator(noun, person, clean, contaminant)
3
poison(noun, person, clean, contaminant)
3
filth(noun, pollution, contamination)
2
defilement(noun, stain, pollution, corruption, contamination)
2
pollutants
2
polluter
2
toxin(noun, contaminant)
1
adulterant(noun, person, clean, contaminant)
1
adulterator(noun, person, clean, contaminant)
1
contaminants
1
corruption(noun, stain, pollution, contamination)
1
dirt(stain, pollution, corruption, contamination)
1
foreign matter(expression, stain, pollution, corruption, contamination)
1
infection(noun, pollution, contamination)
1
polluting
1
waste product(noun, expression, idiom, contaminant)
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APASmart Define. (2015). pollutant thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/pollutant/thesaurus/synonyms
ChicagoSmart Define. 2015. "pollutant thesaurus" https://smartdefine.org/pollutant/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, pollutant thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/pollutant/thesaurus/synonyms>.
MLASmart Define. "pollutant thesaurus" 21 April 2015. Web. 21 September 2026. <https://smartdefine.org/pollutant/thesaurus/synonyms>