infest
verb (used with object)
to live in or overrun to an unwanted degree or in a troublesome manner, especially as predatory animals or vermin do.
had infested
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past perfectof infest.past perfect
Used to express a completed action that took place before another specific past action occurred.
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.
Rats had infested the assisted living facility in Van Nuys, state investigators said.
From Los Angeles Times ● Mar. 20, 2025
Mr. Carr stood by his coverage, saying patronage had infested the agency for years.
From New York Times ● Sep. 12, 2021
Also, another class of alerts had infested the app.
From Slate ● Jul. 20, 2018
Inside, dirty saltwater had infested nearly everything Smith owned.
From Time ● Nov. 9, 2012
One, headed by Benjamin Rush, believed they were facing yellow fever and that it had a local cause—the stagnant, foul-smelling air that had infested Philadelphia all summer.
From "An American Plague: The True and Terrifying Story of the Yellow Fever Epidemic of 1793" by Jim Murphy
