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 Hydrogen sulfide is a colorless gas and can smell like rotten eggs, signaling other contaminants may be in the area as well. — Alexiah Syrai Olsen, Sacbee.com, 10 Aug. 2026 Temperature, pressure, contaminants, hazardous area classification and maintenance access still matter. — Gregory Shahnovsky, Forbes.com, 7 Aug. 2026 Ahead of Thursday’s meeting, the AQMD also added conditions to mandate that Lineage continue tracking ammonia, smog-forming emissions and toxic air contaminants. — Tony Briscoe, Los Angeles Times, 6 Aug. 2026 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 See All Example Sentences for contaminant

Recent Examples of Synonyms for contaminant

Noun

Some Outshine Fruit Bars distributed nationwide have been recalled amid concerns over potential contamination with glass, according to parent company Dreyer’s Grand Ice Cream.

— Elise Haulund, CNN Money, 18 Aug. 2026
There is no risk of drinking water contamination or disruption of other utilities for Carmel residents at this time, Finkam added.

— Jen Guadarrama, IndyStar, 18 Aug. 2026

Definition of contamination

Noun

This summer has seen record-smashing heatwaves across Europe, huge wildfires from Spain and France to Canada, which have released deadly pollutants into the air, and yet more extreme heat from Africa to Asia.

— Catarina Rolfsdotter-Jansson, Forbes.com, 22 Aug. 2026
These fun masks foam up on the skin to remove dirt, oil, debris, and other pollutants that can clog your pores.

— BestReviews, Chicago Tribune, 18 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 25 Aug. 2026.

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Synonyms of contaminant

noun

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