Synonym Chooser

How does the verb contaminate contrast with its synonyms?

Some common synonyms of contaminate are defile, pollute, and taint. While all these words mean "to make impure or unclean," contaminate implies intrusion of or contact with dirt or foulness from an outside source.

water contaminated by industrial wastes

When can defile be used instead of contaminate?

Although the words defile and contaminate have much in common, 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 pollute a more appropriate choice than contaminate?

The synonyms pollute and contaminate are sometimes interchangeable, but 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 is it sensible to use taint instead of contaminate?

The words taint and contaminate are synonyms, but do differ in nuance. Specifically, 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 contaminate If state officials walk away from their soil-testing policy, some environmental experts say hundreds of homes in Altadena and the Pacific Palisades will still be contaminated, potentially exposing returning residents to toxic metals, like lead. Tony Briscoe, Los Angeles Times, 15 May 2025 Symptoms of listeria infection The FDA says symptoms of listeriosis usually start within two weeks of consuming food contaminated with listeria but may start as early as the same day or as late as 10 weeks afterwards. Gabe Hauari, USA Today, 12 May 2025 The urban creek is contaminated mainly because of the numerous century-old municipal sewer lines that run under the park. ArsTechnica, 12 May 2025 On Mother's Day, Health and Human Services Secretary Robert F. Kennedy Jr. shared photos of himself swimming alongside his grandchildren in Washington, D.C.'s Rock Creek, a waterway long known to be contaminated with high levels of bacteria. Dan Gooding gabe Whisnant, MSNBC Newsweek, 12 May 2025 See All Example Sentences for contaminate
Recent Examples of Synonyms for contaminate
Verb
  • In recent weeks, the flaws in the technology have crossed over into absurd territory: For example, by generating a summer reading list of fake books and legal documents polluted with serious errors and fabrications.
    Ryan Faughnder, Los Angeles Times, 28 May 2025
  • The Hazel Johnson ordinance grew out of a 2020 federal civil rights complaint filed by the Southeast Environmental Task Force and other groups challenging the city’s concentration of polluting industries in certain neighborhoods.
    Brian J. Rogal, Chicago Tribune, 27 May 2025
Verb
  • As the film unfolds, Wilson finds out that Sterns, the movie's villain, has been the mastermind behind the entire plot and has been poisoning Ross with gamma rays via pills for years.
    Caroline Blair, People.com, 28 May 2025
  • Intermediately, because a member of Ethan’s team, Claire (Emmanuelle Béart) has poisoned Donloe, which results in Donloe having some pretty intense gastrointestinal reactions.
    Mike Ryan, IndieWire, 27 May 2025

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Cite this Entry

“Contaminate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/contaminate. Accessed 1 Jun. 2025.

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