pollute

Synonym Chooser

How does the verb pollute contrast with its synonyms?

Some common synonyms of pollute are contaminate, defile, and taint. While all these words mean "to make impure or unclean," pollute, sometimes interchangeable with contaminate, distinctively may imply that the process which begins with contamination is complete and that what was pure or clean has been made foul, poisoned, or filthy.

the polluted waters of the river

When can contaminate be used instead of pollute?

The words contaminate and pollute can be used in similar contexts, but contaminate implies intrusion of or contact with dirt or foulness from an outside source.

water contaminated by industrial wastes

When is defile a more appropriate choice than pollute?

The words defile and pollute are synonyms, but do differ in nuance. Specifically, defile implies befouling of what could or should have been kept clean and pure or held sacred and commonly suggests violation or desecration.

defile a hero's memory with slanderous innuendo

When is it sensible to use taint instead of pollute?

The synonyms taint and pollute are sometimes interchangeable, but taint stresses the loss of purity or cleanliness that follows contamination.

tainted meat
a politician's tainted reputation

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 pollute The attorney general’s office said that plastic retail bags comprise much of the waste that is polluting California’s ecosystems and clogging its waterways. Kate Nishimura, Sourcing Journal, 22 Oct. 2025 Farming them also drives desertification in Mongolia, where the dust blows high in June, polluting the air as far afield as America, and making workers ill. George Varga, San Diego Union-Tribune, 21 Oct. 2025 In 2023, construction executive Jim Salata and several colleagues took it upon themselves to remove the tarp, clean up polluting microplastics from the property, dispose of some of the site’s debris, and repair a hole in the church’s roof. George Avalos, Mercury News, 21 Oct. 2025 That includes farmers who have had sludge from water treatment plants spread on their land containing PFAS, fire departments, airports and municipalities, people who own land that was polluted by PFAS originating from another nearby property or waste facilities that accepted PFAS. Laura Schulte, jsonline.com, 17 Oct. 2025 See All Example Sentences for pollute
Recent Examples of Synonyms for pollute
Verb
  • Hormel Foods is recalling frozen ready-to-eat chicken products after they may have been contaminated with pieces of metal.
    Julia Gomez, USA Today, 27 Oct. 2025
  • This follows a string of recent recalls from Costco, some of which have attracted nationwide attention including that of Ahi Tuna Wasabi Poke (ingredients used could have been contaminated with Listeria monocytogenes) which sold at Costco locations across 37 states.
    Amanda Greenwood, MSNBC Newsweek, 27 Oct. 2025
Verb
  • Leawood police fielded nearly 400 food-poisoning complaints and conducted about 130 interviews, a volume that briefly crashed the department’s records system, according to the Johnson County Post, KSHB 41 and KCTV5.
    Christina Coulter, PEOPLE, 28 Oct. 2025
  • Chloe then baked a cake poisoned with oleander leaves killing the owner’s wife and some children.
    Noreen Kompanik, Boston Herald, 26 Oct. 2025
Verb
  • One year ago, Martinsville was tainted by race manipulation on two counts.
    Jordan Bianchi, New York Times, 25 Oct. 2025
  • That means Zaha will be suspended for Game 1 of the playoffs against NYCFC, which tainted an otherwise near-perfect evening for the home team.
    Scott Fowler, Charlotte Observer, 19 Oct. 2025

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Cite this Entry

“Pollute.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/pollute. Accessed 2 Nov. 2025.

More from Merriam-Webster on pollute

Last Updated: - Updated example sentences
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