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.
Amazing tales of dead spacecraft that came back to life Related: SpaceX launches secret US spy satellite on 19th anniversary of company's 1st-ever liftoff (video, photos) The HALO Trust has been working in Cambodia since the 1990s, helping to scour hundreds of square miles of contaminated land. Tereza Pultarova, Space.com, 29 Apr. 2025 In addition to food production, IEEE is developing ways to improve food safety by placing freshness sensors in packaging and using technologies such as blockchain to track contaminated food better so that only the affected food is recalled, reducing food wastage while protecting food supplies. Thomas Coughlin, Forbes.com, 28 Apr. 2025 The cleanup required lakes to be drained and contaminated soil, which had seeped more than 9 feet (3 meters) deeper than expected, to be piled and heated to break down the dioxin molecules. Pamela McElwee, The Conversation, 28 Apr. 2025 The supplier voluntarily recalled the onion products at fault, and the FDA cautioned the public about the contaminated yellow onions, which were being served on McDonald’s hamburgers. Malia Mendez, Los Angeles Times, 24 Apr. 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 14 May. 2025.

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