Synonyms of impurities

impurities

noun

plural of impurity

as in contaminants

something that is or that makes impure

impurities in the water made it cloudy

Synonyms & Similar Words

• contaminants
• pollutants
• contaminations
• defects
• sludges
• irregularities
• adulterants
• defilements
• soil
• stains
• dirt
• faults
• abnormalities
• spots
• blots
• muck
• blemishes
• taints
• filth
• grime
• blotches
• flaws
• imperfections
• smut
• scums
• disfigurements

Antonyms & Near Antonyms

• filters
• refiners
• purifiers
• clarifiers
• purities

Example Sentences

Recent Examples of impurities

Seawater brings additional problems involving competing chlorine chemistry, catalysts, impurities, and deposits. — New Atlas, 3 Sep. 2026

Companies like Coca-Cola and Pepsi—who own Dasani and Aquafina, respectively—take tap water, treat it (which typically means removing some minerals deemed impurities), bottle it, and sell it at a markup. — Sam Stone, Bon Appetit Magazine, 27 Aug. 2026

That concentrate requires further refining to remove impurities. — Matthew Kayser, USA Today, 21 Aug. 2026

After 15 years of experiments, Schumm’s group ended up with a recipe for solid calcium fluoride crystals, doped with little impurities of thorium 229, that looked like transparent millimeter-sized cubes. — Jacek Krywko, Scientific American, 20 Aug. 2026

The pyrometallurgical process removes oxygen, carbon, nitrogen, phosphorus, sulfur, and metallic impurities in a single continuous step at a lower cost. — Mrigakshi Dixit, Interesting Engineering, 18 Aug. 2026

The retinol in the formula sloughs away all impurities that lead to the bumps in the first place, while vitamin E and green tea fend off any sensitivities by restoring the moisture barrier. — Mary Honkus, Glamour, 18 Aug. 2026

Sweet crude is cleaner, has fewer impurities and is easier to refine into gasoline, diesel and jet fuel than heavy crude is. — Voice Of The People, New York Daily News, 13 Aug. 2026

The second source of unwanted immune response is impurities from mRNA production. — Li Li, The Conversation, 6 Aug. 2026