impure

adjective

(ˌ)im-ˈpyu̇r How to pronounce impure (audio)
Definition of impurenext
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

Relevance

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 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
  1. polluted
  2. vulgar
  3. contaminated
  4. obscene
  5. dilute
  6. pornographic
  7. diluted
  8. foul
Adjective
  • In Wilmington, officials are looking into why a couple of polluted tidal creeks in the area are struggling to recover despite restoration efforts.
    — Dinah Voyles Pulver, USA Today, 21 Aug. 2026
  • But flood control cut off that supply, replacing it with polluted canals.
    — Jenny Staletovich, Miami Herald, 21 Aug. 2026
Definition of polluted
Adjective
  • Decide for yourself whether that’s a bold indicator of English football’s superiority over the rest of the world, or a revolting symbol of the bloated and vulgar behemoth that the game has become.
    — Nick Miller, New York Times, 4 Sep. 2026
  • However, recent scholarship posits that the structure was used as ordinary (rather than punitive) housing, and that the vulgar decor was in fact a distinguishing characteristic of the epoch.
    — Jim Greer, SPIN, 3 Sep. 2026
Definition of vulgar
Adjective
  • Officials added that people cannot become infected with Naegleria fowleri by swallowing contaminated water; however, the amoeba can enter the body when it is forcefully introduced, such as through the nose into the brain.
    — Angel Saunders, PEOPLE, 2 Sep. 2026
  • People cannot become infected by swallowing contaminated water.
    — Brittany Miller, FOXNews.com, 24 Aug. 2026
Definition of contaminated
Adjective
  • More than 3,000 shows and a sizable cult following later, The Dark Room has evolved into a choose-your-own-adventure live action video game, presided over by Robertson as its obscene, merciless and incredibly quick-witted host.
    — Rebecca Rosman, NPR, 31 Aug. 2026
  • The law is aimed at prohibiting children from obtaining books and movies with obscene content.
    — Joseph Flaherty, Arkansas Online, 28 Aug. 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
  • Authorities say the girl was subsequently subjected to threats, emotional blackmail, surveillance and physical violence and forced to produce pornographic material and participate in online webcam sessions.
    — Antonio María Delgado, Miami Herald, 4 Sep. 2026
  • The sheriff’s office said Ahlers had hundreds, and possibly thousands, of pornographic photos and videos of children on his hard drive.
    — Steven Walker, The Orlando Sentinel, 24 Aug. 2026
Definition of pornographic
Adjective
  • If lily pollen or another substance is on a cat’s coat, Wahlen recommends wiping it away or washing the area with diluted dish soap to prevent ingestion during grooming.
    — Lauren Paige Richeson, USA Today, 2 Sep. 2026
  • Even if this is so, experts say personalized pricing could lead to a diluted understanding of what one item should cost.
    — Audrey McGlinchy, Los Angeles Times, 31 Aug. 2026
Definition of diluted
Adjective
  • The ball rolled all the way into the Rays’ bullpen in foul territory while Taylor sprinted to third.
    — Kevin Acee, San Diego Union-Tribune, 31 Aug. 2026
  • The rotting food has drawn swarms of flies and rats with a foul rancid smell that Boyle Heights residents have said kept them indoors, and business owners have said kept customers away.
    — Los Angeles Times, Los Angeles Times, 31 Aug. 2026
Definition of foul

Browse Nearby Words

impunity
impure
impurely
See all Nearby Words

Cite this Entry

“Impure.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impure. Accessed 8 Sep. 2026.

Copy Citation
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Popular in Grammar & Usage

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

A List of Most Commonly Confused Words

Why do we use apostrophes to show possession?

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?
See More

Popular in Wordplay

See More

The Longest Long Words List

Stay Woke

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

The Words of the Week - Sept. 4
See More

Popular

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

The Longest Long Words List

Stay Woke
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
anagrams on a chalk board
Word Builder Quiz Vol. 2 Pick the letter that when added to a word will ma...
See All