IMPURITIES Synonyms: 31 Similar and Opposite Words

impurities

noun

plural of impurity

as in contaminants

something that is or that makes impure impurities in the water made it cloudy

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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 impurities Finish Skin Prep With a Toner or Essence After cleansing, a toning step can remove any leftover impurities from the pores and balance the skin’s pH level, while essences—which have a slightly thicker texture—tend to be more hydrating. — Jenny Berg, Vogue, 19 Oct. 2026 To keep the green transition moving, miners are turning to complex ores laced with high concentrations of toxic impurities. — Mrigakshi Dixit, Interesting Engineering, 19 Oct. 2026 Derms love La Roche-Posay’s Toleriane Hydrating Gentle Cleanser and CeraVe’s Hydrating Facial Cleanser; both formulas are super gentle but still remove SPF, makeup, and other impurities. — Kara Nesvig, Allure, 16 Oct. 2026 Ukrainian strikes have also increasingly targeted the more complex equipment that removes impurities from fuel, which takes months to repair. — ABC News, 5 Oct. 2026 My father would rinse the rice over and over, sifting it between his fingertips, searching for the impurities, pulling them out. — Literary Hub, 17 Sep. 2026 The filter handles chlorine or other impurities while the shampoo periodically removes the mineral buildup the filter cannot touch. — Ryan Brennan, Miami Herald, 16 Sep. 2026

Recent Examples of Synonyms for impurities

Noun

Salmon is the beauty world’s top pick because its DNA is relatively pure, with fewer proteins, peptides and other contaminants mixed in.

— Ryan Brennan, Charlotte Observer, 21 Oct. 2026
The audit’s conclusions echo several findings of an investigation this year by The Denver Gazette and ProPublica into the Marijuana Enforcement Division’s lapses in policing contaminants entering the legal marketplace.

— Christopher Osher, ProPublica, 21 Oct. 2026

Definition of contaminants

Noun

Many of these materials are made from oil, which emits pollutants when burned, driving climate change and fueling extreme weather.

— Arkansas Online, Arkansas Online, 24 Oct. 2026
The Find + Follow Air Purifier senses areas of high air pollutants in the home – such as where residents are cooking, smoking or burning candles – and adjusts its position to clean this air.

— Tracy Achonwa, Vogue, 23 Oct. 2026

Definition of pollutants

Noun

In one of the heaviest contaminations of TCE and PCE documented, thousands of soldiers and their families were exposed to the solvents at North Carolina’s Camp Lejeune from 1953 to 1987.

— WUFT News, Miami Herald, 29 July 2026
And the Food and Drug Administration is also investigating contaminations that may be tied to a different outbreak.

— Mary Randolph, Scientific American, 24 July 2026

Definition of contaminations

Browse Nearby Words

impureness

impurities

impurity

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“Impurities.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impurities. Accessed 28 Oct. 2026.

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Synonyms of impurities

noun

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