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.
People can also become infected by touching infected secretions, and then inoculating themselves by touching their nose, mouth, or eyes with contaminated hands. Judy Stone, Forbes.com, 7 Apr. 2025 Death, Poison and Blackmail: Every Wild Moment from the The White Lotus Season 3 Finale His son on the other hand, did not get off so easy after making his protein shake the following morning in the contaminated blender. Alexandra Schonfeld, People.com, 7 Apr. 2025 Chevron also challenged the costly wetlands restoration project proposed by the parish, which involved removing large amounts of contaminated soil and filling in the swaths fragmented wetlands eroded over the last century. Jack Brook, Los Angeles Times, 5 Apr. 2025 This includes limiting ongoing bird flu outbreaks by preventing contaminated food from sickening household cats that could then expose people in their own homes, the veterinarian said. Eduardo Cuevas, USA Today, 1 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 13 Apr. 2025.

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