IMPURE Synonyms: 194 Similar and Opposite Words

impure

adjective

(ˌ)im-ˈpyu̇r

Definition of impure

as in polluted

containing foreign or lower-grade substances be careful, because impure motor oil can damage your car's engine

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

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 show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of impure 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 Women who are menstruating are traditionally not allowed to enter temple grounds, as it's considered impure in Balinese Hinduism. — Zahra Surya Darma, Condé Nast Traveler, 25 July 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

Wildfires in Indonesia are also the source of widespread haze that’s blanketing much of the region and making Southeast Asian cities such as Singapore and Kuala Lumpur among the world’s most polluted.

— Jay Ganglani, Fortune, 23 Oct. 2026
And everybody, ranging from workers in forced labor, to communities next to a polluted lake, to the companies that are less prepared to operate in a volatile and uncertain world, are paying the bill.

— Ben Vanpeperstraete, Footwear News, 23 Oct. 2026

Definition of polluted

Adjective

In her smartly vulgar The Seasons (1957), which extends nearly 17 feet, Krasner returns to the subject of rebirth one year after Pollock’s death, depicting abundant forms resembling genitalia.

— John Yau, ARTnews.com, 18 Oct. 2026
While Musgraves' comments received both praise and backlash, one country music legend took exception to the vulgar remarks.

— Austin Perry OutKick, FOXNews.com, 16 Oct. 2026

Definition of vulgar

Adjective

The audit, released Monday, identified a host of issues, including regulators’ failure to meet regular inspection schedules or to conduct sufficient random checks at dispensaries for contaminated products.

— Christopher Osher, ProPublica, 21 Oct. 2026
To break the chains of infections stemming from contaminated needles, Soqo has proposed supplying thousands of sterile needles and syringes to communities of methamphetamine users.

— David Cox, NPR, 26 Sep. 2026

Definition of contaminated

Adjective

In Russia, soldiers die at the front by the hundreds of thousands while politically compliant billionaires accumulate obscene fortunes.

— Jeffrey Sonnenfeld, Time, 22 Oct. 2026
At the next timeout, an announcement was made asking fans to refrain from obscene chants.

— Gary Bedore, Kansas City Star, 21 Oct. 2026

Definition of obscene

Adjective

Finally, the third recruits seaweed to gather minerals that are otherwise too dilute to chase.

— New Atlas, New Atlas, 27 July 2026
Clean and disinfect your pruning shears between working on each plant by dipping them into a dilute 10% solution of chlorine bleach water or rubbing alcohol.

— Mary Marlowe Leverette, Southern Living, 4 July 2026

Definition of dilute

Adjective

On the day of the $50 million demand, a WeChat chat on one of her phones shows pornographic images arriving and being sent back with Victim-1’s face grafted on, the complaint says.

— Catherina Gioino, Fortune, 16 Oct. 2026
The filing follows a separate legal battle launched by Meloni in 2024 against a man accused of creating and posting deepfake pornographic images using her likeness.

— ABC News, ABC News, 5 Oct. 2026

Definition of pornographic

Adjective

In the spring, the Supreme Court weakened the Voting Rights Act, a landmark civil rights law, making way for Republican states to redraw their congressional maps and igniting fears of diluted Black representation.

— New York Times, New York Times, 29 Sep. 2026
Use a dry microfiber cloth for routine cleaning, and diluted dish soap or white vinegar to remove more stubborn, sticky film.

— Jolie Kerr, Better Homes & Gardens, 23 Sep. 2026

Definition of diluted

Adjective

The bodies of Machado and her daughters were discovered days later after a neighbor noticed a foul odor coming from the home.

— CBS Miami Team, CBS News, 20 Oct. 2026
Caminero pulled Smith’s first-pitch splitter off the left-field foul pole for a two-run homer that gave the Rays a 5-1 lead.

— ABC News, ABC News, 19 Oct. 2026

Definition of foul

Browse Nearby Words

impunity

impure

impurely

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“Impure.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impure. Accessed 27 Oct. 2026.

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Synonyms of impure

adjective

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