impurity
noun
im·pu·ri·ty
(ˌ)im-ˈpyu̇r-ə-tē 
plural impurities
1
: something that is impure or makes something else impure
removing impurities from water
2
: the quality or state of being impure
Examples of impurity in a Sentence
the impurity of the water
The syrup is strained to remove impurities.
The water is free of impurities.
Recent Examples on the Web
This assortment includes the Detox Pads, which gently remove all traces of makeup and impurities from the day and deep clean skin without stripping.
—
Tory Johnson, ABC News, 28 Apr. 2026
The liquid is then pushed through multiple filtration beds that remove the remaining organic and inorganic impurities.
—Georgina Jedikovska, Interesting Engineering, 27 Apr. 2026
The milky, gentle formula lifts away impurities without irritation, leaving hair feeling more conditioned than with a typical scalp shampoo.
—Iman Balagam, Vogue, 27 Apr. 2026
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
See All Example Sentences for impurity
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Tory Johnson, ABC News, 28 Apr. 2026
The liquid is then pushed through multiple filtration beds that remove the remaining organic and inorganic impurities.
—Georgina Jedikovska, Interesting Engineering, 27 Apr. 2026
The milky, gentle formula lifts away impurities without irritation, leaving hair feeling more conditioned than with a typical scalp shampoo.
—Iman Balagam, Vogue, 27 Apr. 2026
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
See All Example Sentences for impurity
Cite this Entry
“Impurity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/impurity. Accessed 1 May. 2026.
Copy CitationKids Definition
impurity
noun
im·pu·ri·ty
(ˈ)im-ˈpyu̇r-ət-ē
plural impurities
1
: the quality or state of being impure
2
: something that is impure or that makes impure
remove impurities from water
Medical Definition
impurity
noun
im·pu·ri·ty
(ˈ)im-ˈpyu̇r-ət-ē
plural impurities
: something that is impure or makes something else impure
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