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
There’s no need to use bottled water — the filtration system will take care of any impurities.
—
Bestreviews, Chicago Tribune, 18 July 2025
Ensuring all impurities before moving onto the next step is key, in order to properly set the stage for new products to adequately absorb into skin.
—Christian Allaire, Vogue, 17 July 2025
It’s formulated with collagen, red algae extract, and kaolin that gently lifts impurities and oils from the skin, purifies pores, and minimizes the appearance of fine lines and wrinkles for a glowing, smooth complexion.
—Alicia Geigel, Southern Living, 7 July 2025
Some suggest that burning casks to remove impurities was a common practice among coopers.
—Joseph V Micallef, Forbes.com, 26 June 2025
See All Example Sentences for impurity
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Bestreviews, Chicago Tribune, 18 July 2025
Ensuring all impurities before moving onto the next step is key, in order to properly set the stage for new products to adequately absorb into skin.
—Christian Allaire, Vogue, 17 July 2025
It’s formulated with collagen, red algae extract, and kaolin that gently lifts impurities and oils from the skin, purifies pores, and minimizes the appearance of fine lines and wrinkles for a glowing, smooth complexion.
—Alicia Geigel, Southern Living, 7 July 2025
Some suggest that burning casks to remove impurities was a common practice among coopers.
—Joseph V Micallef, Forbes.com, 26 June 2025
See All Example Sentences for impurity
Cite this Entry
“Impurity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/impurity. Accessed 29 Jul. 2025.
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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