contaminated

adjective

con·​tam·​i·​nat·​ed kən-ˈta-mə-ˌnā-təd How to pronounce contaminated (audio)
1
: soiled, stained, corrupted, or infected by contact or association
a contaminated wound
Urine and feces of infected cats and contaminated clothing, bedding, food bowls or toys are also possible modes of transmission.Cat Fancy
2
: made unfit for use by the introduction of unwholesome or undesirable elements
Botulinum toxin is a highly lethal substance which causes death, even in developed countries, when contaminated food is improperly canned or stored.John Laffin
… the material could be used as a filter for cleaning contaminated drinking water.Alexandra Goho

Examples of contaminated in a Sentence

the hospitals had no choice but to throw out the contaminated blood supply
Recent Examples on the Web
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.
As the recall was initiated back in February, the contaminated merchandise may have since been removed from shelves. Moná Thomas, People.com, 21 Mar. 2025 Listen to this article The U.S. Environmental Protection Agency will not reconsider its denial to investigate whether the Tijuana River Estuary qualifies as a Superfund site, a designation given to the most contaminated places in the country needing long-term cleanup. Tammy Murga, San Diego Union-Tribune, 18 Mar. 2025 With enough contaminated soil to fill about 40,000 dump trucks, the Bien Hoa air base is the largest deposit of postwar pesticides remaining in Vietnam after a decadeslong cleanup campaign. Anna Maria Barry-Jester, ProPublica, 17 Mar. 2025 Oftentimes, contaminated soil is taken to nonhazardous landfills in neighboring states that rely on the more lenient federal standards. Tony Briscoe, Los Angeles Times, 12 Mar. 2025 See All Example Sentences for contaminated

Word History

Etymology

from past participle of contaminate

First Known Use

1576, in the meaning defined at sense 1

Time Traveler
The first known use of contaminated was in 1576

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Cite this Entry

“Contaminated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/contaminated. Accessed 1 Apr. 2025.

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