POLLUTANT Synonyms: 33 Similar and Opposite Words

pollutant

noun

pə-ˈlü-tᵊnt

Definition of pollutant

as in contaminant

something that is or that makes impure filtered the pollutants out of the 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 pollutant Philly neighborhoods with a higher percentage of green areas, by contrast, have lower levels of diesel particulate matter, nitrogen dioxide and other toxic air pollutants, which inflame and irritate the respiratory system. — Mahbubur Meenar, The Conversation, 5 Aug. 2026 Many existing data centers are using on-site power generation, including pollutant-spewing diesel generators, to bypass the grid entirely. — Victor Tangermann, Futurism, 5 Aug. 2026 The air district is warning residents that wildfire smoke contains fine particulate matter and other harmful pollutants, adding that exposure is unhealthy, even for short periods of time. — Tim Fang, CBS News, 4 Aug. 2026 That has raised concerns that pollutants could spread if the debris is not properly sorted and disposed of. — ABC News, 29 July 2026 See All Example Sentences for pollutant

Recent Examples of Synonyms for pollutant

Noun

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
As a result, some products may contain contaminants or fail to provide the amount of protein listed, Balady says.

— Martha Stewart, Martha Stewart, 12 Aug. 2026

Definition of 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

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poll taxes

pollutant

pollutants

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“Pollutant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/pollutant. Accessed 22 Aug. 2026.

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Synonyms of pollutant

noun

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