3
contaminant(noun, pollution, contamination, contaminator)
3
impurity(noun, pollution, contamination, contaminant)
2
pollution(stain, corruption, contamination)
1
dirt(stain, pollution, corruption, contamination)
1
filth(pollution, contamination)
1
grit(noun, punishment, meed, gravel, particles)
1
pollutant(stain, pollution, corruption, contamination)
0
adulterant
0
adulteration(stain, pollution, corruption, contamination)
0
chemical
0
contamination(stain, pollution, corruption)
0
contaminator(noun, contaminant)
0
corruption(stain, pollution, contamination)
0
defilement(stain, pollution, corruption, contamination)
0
dirtiness(pollution, contamination)
0
dust
0
gravel
0
grime(stain, pollution, corruption, contamination)
0
impurities
0
infection(pollution, contamination)
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APASmart Define. (2015). foreign matter thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/foreign_matter/thesaurus/synonyms
ChicagoSmart Define. 2015. "foreign matter thesaurus" https://smartdefine.org/foreign_matter/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, foreign matter thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/foreign_matter/thesaurus/synonyms>.
MLASmart Define. "foreign matter thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/foreign_matter/thesaurus/synonyms>