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 Distilled water or rainwater are good sources of mineral-free, contaminant-free water for your flytrap. — Andy Wilcox, Better Homes & Gardens, 29 Aug. 2026 Like most things around your home, refrigerator coils are prone to building up dust, dirt, pet hair, and other contaminants over time that then hinder the coils from functioning properly. — Ashlyn Needham, Southern Living, 27 Aug. 2026 The assessment also found short-term non-cancer health risk above the allowable threshold from being exposed to toxic air contaminants for an hour, while long-term risk of non-cancer health effects fell below the threshold. — Carlos E. Castañeda, CBS News, 25 Aug. 2026 Temporary low water pressure was monitored during the repair, with samples collected from seven locations in the affected area showing no evidence of contaminants. — Rachel Roberts, Idaho Statesman, 15 Aug. 2026 See All Example Sentences for contaminant

Recent Examples of Synonyms for contaminant

Noun

About 15 percent of a subset of the products tested contained measurable levels of endotoxin, a sign of bacterial contamination during manufacture.

— Lori Youmshajekian, Scientific American, 1 Sep. 2026
The researchers hope that in the future it will be used to identify counterfeit perfumes, detect pesticide contamination in olive oil, and offer better quality control across agriculture in general.

— Maryna Holovnova, New Atlas, 31 Aug. 2026

Definition of contamination

Noun

Facilities would have to be on land zoned for heavy industrial use and could not be located near disadvantaged communities or populations sensitive to pollutants, such as hospitals, schools and nursing homes.

— Naomi Taxay, Sacbee.com, 29 Aug. 2026
Ancient rock art at Murujuga, or the Burrup Peninsula, in Western Australia, has seen much larger damaged than previously anticipated due to industrial pollutants found in air emissions.

— Francesca Aton, ARTnews.com, 26 Aug. 2026

Definition of pollutant

Browse Nearby Words

contains

contaminant

contaminants

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“Contaminant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/contaminant. Accessed 2 Sep. 2026.

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Synonyms of contaminant

noun

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