as in contaminants
something that is or that makes impure
impurities in the water made it cloudy
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Recent Examples of impurities
Devotees love how the aluminum walls and constant but surprisingly not-too-loud ventilation keep the air inside fresh, as does a charcoal filter designed to absorb airborne impurities that can creep into bottles through their corks or caps.
—
Emily Saladino, Bon Appetit Magazine, 17 Apr. 2026
Facial Cleansing Brushes A gentle facial cleansing brush can remove makeup and impurities more effectively than hands alone.
—Lauren Jarvis-Gibson, Miami Herald, 8 Apr. 2026
Their bestselling Regenerating Cleanser gently polishes away impurities and dullness to reveal a healthy-looking, radiant glow, clinically proven to make skin look brighter, smoother, more hydrated and pores look smaller.
—Tory Johnson, ABC News, 7 Apr. 2026
The manufacturing process can also introduce impurities — like bacteria or heavy metals — into peptide drugs.
—Anjeanette Damon, ProPublica, 3 Apr. 2026
Yellowcake is a concentrated form of uranium after impurities are removed from the raw ore.
—CBS News, 28 Mar. 2026
Himalayan pink salt, rich in 80 minerals, works to draw out impurities, while Centella asiatica helps keep everything calm and soothed.
—Christa Joanna Lee, Allure, 25 Mar. 2026
These natural origins riddle beach sand with impurities that can absorb light.
—John Ballato, The Conversation, 24 Mar. 2026
This can introduce impurities or harmful microorganisms to the bathroom environment as a result.
—Ethan Stone, USA Today, 15 Mar. 2026
Emily Saladino, Bon Appetit Magazine, 17 Apr. 2026
Facial Cleansing Brushes A gentle facial cleansing brush can remove makeup and impurities more effectively than hands alone.
—Lauren Jarvis-Gibson, Miami Herald, 8 Apr. 2026
Their bestselling Regenerating Cleanser gently polishes away impurities and dullness to reveal a healthy-looking, radiant glow, clinically proven to make skin look brighter, smoother, more hydrated and pores look smaller.
—Tory Johnson, ABC News, 7 Apr. 2026
The manufacturing process can also introduce impurities — like bacteria or heavy metals — into peptide drugs.
—Anjeanette Damon, ProPublica, 3 Apr. 2026
Yellowcake is a concentrated form of uranium after impurities are removed from the raw ore.
—CBS News, 28 Mar. 2026
Himalayan pink salt, rich in 80 minerals, works to draw out impurities, while Centella asiatica helps keep everything calm and soothed.
—Christa Joanna Lee, Allure, 25 Mar. 2026
These natural origins riddle beach sand with impurities that can absorb light.
—John Ballato, The Conversation, 24 Mar. 2026
This can introduce impurities or harmful microorganisms to the bathroom environment as a result.
—Ethan Stone, USA Today, 15 Mar. 2026
Recent Examples of Synonyms for impurities
Noun
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The lawsuit cites studies that toxic contaminants in the herbicide have led to higher rates of birth defects in children of these veterans compared to the general population.—
Lisa Hagen,
Hartford Courant,
28 Apr. 2026
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The Environmental Protection Agency proposed a rule that would, for the first time, formally flag microplastics and pharmaceuticals in drinking water as threats that deserve federal attention — putting them on its list of contaminants that merit study, tracking, and possible future regulation.—
Justin Zorn,
STAT,
28 Apr. 2026
Noun
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Health dangers of pollution Ozone and particle pollution are considered two of the most widespread and dangerous pollutants measured by the US Environmental Protection Agency.—
Jen Christensen,
CNN Money,
22 Apr. 2026
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Trees and plants sequester carbon dioxide from the atmosphere, filter pollutants from the air and reduce urban temperatures through shade, according to The Nature Conservancy.—
Julia Jacobo,
ABC News,
22 Apr. 2026
Cite this Entry
“Impurities.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impurities. Accessed 2 May. 2026.
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