- past tense form of infiltrate.
- past participle of infiltrate.
infiltrated
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.
Some Yemeni officials said they suspected the camp had been infiltrated by Houthi informers.
From The Wall Street Journal ● Oct. 25, 2026
A few high-profile incidents where autonomous AI agents broke out of their sandboxes and infiltrated third-party systems have helped to underscore its importance.
From MarketWatch ● Oct. 24, 2026
For decades, undercover police infiltrated protest groups to gather intelligence.
From BBC ● Oct. 21, 2026
Australian Prime Minister Anthony Albanese recently said that an OpenAI agent had infiltrated a government-services website in Australia this summer.
From The Wall Street Journal ● Oct. 14, 2026
VC had infiltrated the strategic hamlets at night and demanded loyalty to the Communists.
From "Boots on the Ground: America's War in Vietnam" by Elizabeth Partridge
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