contaminate
verb (used with object)
to make impure or unsuitable by contact or mixture with something unclean, bad, etc..
have contaminated
-
present perfectof contaminate.present perfect
Used to describe actions that started in the past and continue into or have direct relevance to the present.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
That pattern does not match biological material that could have contaminated the meteorite where it was found.
From Science Daily ● Jul. 9, 2026
It’s designed to protect against pathogens — like viruses and bacteria — that have contaminated the water supply but can be neutralized with high heat.
From Los Angeles Times ● Feb. 21, 2025
A 2018 study by the Indian Institute of Toxicology Research revealed that high concentrations of metals and chemicals have contaminated groundwater across 42 residential areas near the factory.
From BBC ● Jan. 2, 2025
As new statewide drinking water testing requirements roll out, the chemicals have contaminated over 200 public water sources so far.
From Seattle Times ● Dec. 7, 2023
And she never knew that most of the words she set to her soothing, extemporaneous tune would have contaminated anybody, most of all Mrs. Schuyler Driggs herself.
From Winner Take All by Larry Evans
