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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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 Researchers were originally focused on treating acid mine drainage, using chemicals to remove contaminants and make the water cleaner. — Pete Cuddihy, FOXNews.com, 6 Aug. 2026 Pressure washing your driveway also helps to keep the material free from oil and grease damage, or damage from environmental contaminants. — Ashlyn Needham, Southern Living, 5 Aug. 2026 These products may contain the wrong amount, contaminants, or a different ingredient. — Rob Williams, EverydayHealth.com, 4 Aug. 2026 Salt buildup can also occur due to the contaminants in some tap water, though, so this is not always a clear sign of overfertilizing. — Lauren Landers, Better Homes & Gardens, 4 Aug. 2026 See All Example Sentences for contaminant

Recent Examples of Synonyms for contaminant

Noun

The lawsuit alleges doctors screened Belgio for bacteria and identified several pathogens that attorneys say are associated with shellfish contamination.

— ABC News, ABC News, 11 Aug. 2026
This comes after Coast Citrus Distributors, one of Taylor Farms’ suppliers, voluntarily recalled fresh jalapeños because of potential salmonella contamination.

— Helen Carefoot, Flow Space, 10 Aug. 2026

Definition of contamination

Noun

Currently, scientists don't have a precise understanding of the chemical reactions that occur between the pollutants and the atmospheric gases at high altitudes.

— Tereza Pultarova, Space.com, 11 Aug. 2026
Ocean Friendly Gardens restores healthy watersheds by using native plants to filter pollutants and soak up extra water and by upgrading landscapes to maintain rainwater runoff and direct water back into the ground instead of storm drains.

— Alexiah Syrai Olsen, Sacbee.com, 10 Aug. 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 18 Aug. 2026.

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Synonyms of contaminant

noun

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