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
In alloys, the impurities act as roadblocks that heat helps the metal overcome.
—
Mrigakshi Dixit, Interesting Engineering, 16 Feb. 2026
In traditional Chinese medicine, blood is an important part of women’s health as a source of vitality rather than impurity.
—Megan Bryson, The Conversation, 5 Feb. 2026
Issues include the potential for impurities in the products, possible immune reactions and a lack of safety warnings on labels.
—Sandee Lamotte, CNN Money, 31 Jan. 2026
Purity, impurity, and the laws and rituals designed to manage the boundary between them — these are the cornerstone concerns of the Book of Leviticus, the third book of the Old Testament.
—Natalia Winkelman, IndieWire, 24 Jan. 2026
See All Example Sentences for impurity
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Mrigakshi Dixit, Interesting Engineering, 16 Feb. 2026
In traditional Chinese medicine, blood is an important part of women’s health as a source of vitality rather than impurity.
—Megan Bryson, The Conversation, 5 Feb. 2026
Issues include the potential for impurities in the products, possible immune reactions and a lack of safety warnings on labels.
—Sandee Lamotte, CNN Money, 31 Jan. 2026
Purity, impurity, and the laws and rituals designed to manage the boundary between them — these are the cornerstone concerns of the Book of Leviticus, the third book of the Old Testament.
—Natalia Winkelman, IndieWire, 24 Jan. 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 16 Feb. 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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