CONTAMINANT Synonyms: 33 Similar and Opposite Words

contaminant

noun

kən-ˈta-mə-nənt

Definition of contaminant

as in contamination

something that is or that makes impure a filter to remove contaminants from the drinking water

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of contaminant The scientists created a single-step co-pyrolysis process to convert agricultural waste into an amphoteric absorbent that can remove contaminants from synthetic dyes. — Jennifer Bringle, Footwear News, 2 Oct. 2026 Over 600 million gallons of that water have now been drained, treated to remove contaminants and pumped deep underground. — Ryan Ballogg, Miami Herald, 28 Sep. 2026 Because of environmental regulations, those contaminants need to be removed during refining. — Adam Kovac, Scientific American, 24 Sep. 2026 Their mining and processing can also release metals and other contaminants into surrounding environments. — Bojan Stojkovski, Interesting Engineering, 21 Sep. 2026 See All Example Sentences for contaminant

Recent Examples of Synonyms for contaminant

Noun

The study’s authors said that this discovery shows the potential to better remediate synthetic dye chemicals from textile production wastewater to protect vulnerable water supplies from contamination.

— Jennifer Bringle, Footwear News, 2 Oct. 2026
Several food products were recalled in September over concerns ranging from possible salmonella and listeria contamination to undeclared allergens, foreign materials and other potential hazards.

— Sacbee.com, Sacbee.com, 2 Oct. 2026

Definition of contamination

Noun

If approved, the permit will also require monitoring of the water flow, temperature, present or expected pollutants in the sourcewater, expected pollutants in the wastewater, and additional pollutants associated with steam electric power generation.

— Maya Wilkins, Chicago Tribune, 8 Oct. 2026
None of the restaurants with all-electric kitchens had excessive pollutants or heat.

— Tony Briscoe, Los Angeles Times, 6 Oct. 2026

Definition of pollutant

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contains

contaminant

contaminants

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“Contaminant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/contaminant. Accessed 10 Oct. 2026.

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Synonyms of contaminant

noun

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