Pollutant
Pollutant noun - Something that is or that makes impure.
Usage example: filtered the pollutants out of the water
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Synonyms for Pollutant
Scum and pollutant are semantically related. In some cases you can use "Scum" instead a noun "Pollutant".
Scum
Scum noun - People looked down upon as ignorant and of the lowest class.
Cite this Source
Scum and Pollutant. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/pollutant/scum
Pollutant & Scum. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/pollutant/scum>.
Scum or Pollutant. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/pollutant/scum.
Google Ngram Viewer shows how "pollutant" and "scum" have occurred on timeline