1
as in polluted
containing foreign or lower-grade substances
be careful, because impure motor oil can damage your car's engine
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in vulgar
depicting or referring to sexual matters in a way that is unacceptable in polite society
Victorian notions of what qualified as impure art now strike us as laughable
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
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Recent Examples of impure
France has Europe’s largest population of Muslims, over 6 million, for whom pigs are considered impure.
—
Reuters, CNN Money, 9 Sep. 2025
Curtain calls In 1900, more than 6,000 people in England were poisoned by beer that had been brewed using impure sulfuric acid containing arsenic.
—Scott Lafee, San Diego Union-Tribune, 2 Sep. 2025
This method combines impure raw silicon with pure aluminum, lowering the melting temperature compared to conventional polysilicon production.
—Jijo Malayil, Interesting Engineering, 12 Aug. 2025
The trash is heated to break it into crude, impure syngas, which is then zapped with plasma torches to further refine it.
—IEEE Spectrum, 22 Nov. 2011
See All Example Sentences for impure
Reuters, CNN Money, 9 Sep. 2025
Curtain calls In 1900, more than 6,000 people in England were poisoned by beer that had been brewed using impure sulfuric acid containing arsenic.
—Scott Lafee, San Diego Union-Tribune, 2 Sep. 2025
This method combines impure raw silicon with pure aluminum, lowering the melting temperature compared to conventional polysilicon production.
—Jijo Malayil, Interesting Engineering, 12 Aug. 2025
The trash is heated to break it into crude, impure syngas, which is then zapped with plasma torches to further refine it.
—IEEE Spectrum, 22 Nov. 2011
See All Example Sentences for impure
Recent Examples of Synonyms for impure
Adjective
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Such assurances are unlikely to quell the community’s decades-long experience with polluted runoff, however, and small farmers say that runoff could also present a food safety problem and threaten to set back years of organic farming practices.—
Thomas Heaton,
Los Angeles Times,
10 Apr. 2026
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State officials issued islandwide brown water advisories for Oahu and Maui after storms sent polluted runoff into coastal waters.—
Kathleen Wong,
USA Today,
1 Apr. 2026
Adjective
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The word was considered so vulgar that it was left out of early dictionaries and was rarely printed, though Adams says people were certainly using it.—
Harmeet Kaur,
CNN Money,
8 Apr. 2026
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One day, Dahlstrom made a vulgar joke in a lunchroom referencing oral sex and pubic hair, according to the employee.—
Nick Ferraro,
Twin Cities,
4 Apr. 2026
Adjective
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Jovanni periodically while Daniels followed instructions on cleaning, handwashing and keeping Jovanni away from contaminated dirt.—
Chris Bowling,
ProPublica,
15 Apr. 2026
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People most at risk of health issues from PFAS include young children, people who are pregnant or breastfeeding, those who live in contaminated areas, or people — like firefighters or chemical manufacturers — who are exposed to PFAS on the job.—
Sponsored Content,
Denver Post,
15 Apr. 2026
Adjective
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The incident was captured on the broadcast, and after the game, Duran explained that his obscene gesture was in response to a fan crossing the line.—
Paulina Dedaj,
FOXNews.com,
15 Apr. 2026
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The most common crime investigated by the unit was the distribution of obscene material depicting minors, followed by elder abuse and rape.—
Nicole Buss,
Sacbee.com,
14 Apr. 2026
Adjective
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Second, a dilute hydrochloric acid is used to dissolve the remaining lithium and the transition metals—nickel, cobalt, and manganese.—
Aman Tripathi,
Interesting Engineering,
12 Oct. 2025
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For example, Wilson’s team is exploring whether dilute acids speed up weathering.—
Robert F. Service,
Science | AAAS,
3 Sep. 2020
Adjective
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This material included thousands of pornographic deepfakes that Kamnik had generated using AI tools.—
Nate Anderson,
ArsTechnica,
9 Apr. 2026
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Police are investigating reports that Lake Zurich High School students used artificial intelligence to generate pornographic images of classmates, district officials said.—
Joseph States,
Chicago Tribune,
3 Apr. 2026
Adjective
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Kondrat also recommends using diluted fertilizer throughout an orchid’s life, not just when starting a new plant.—
Leanne Potts,
Better Homes & Gardens,
8 Apr. 2026
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Spray the area with the diluted vinegar and water mixture, and wipe it clean with a damp cloth to remove any residue.—
Karen Brewer Grossman,
Southern Living,
30 Mar. 2026
Adjective
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Shaw lined out to right field, Bregman popped out into foul territory and, after Ian Happ was intentionally walked, Seiya Suzuki also popped out in foul territory to end the game.—
Andy Martinez,
Chicago Tribune,
11 Apr. 2026
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Playing first base, he was booed for dropping a foul pop-up, then made a catch on a similar ball.—
Abbey Mastracco,
New York Daily News,
9 Apr. 2026
Cite this Entry
“Impure.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impure. Accessed 20 Apr. 2026.
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