infiltrate
verb (used with object)
to filter into or through; permeate.
infiltrated
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past participleof infiltrate.past participle
A verb form used in perfect and passive verb constructions and that can also function as a modifier.
-
past tense formof infiltrate.past tense
Used to describe completed actions or previous habitual actions.
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.
Leaked data, interviews and never-before-seen videos obtained by The Wall Street Journal reveal how a single team of these workers infiltrated at least eight companies in just a few months.
From The Wall Street Journal ● Aug. 13, 2026
Hilton, Lohan and their ilk infiltrated these scenes as well, and to hear Willetts tell it, the music and imagery that came out of both influenced the nightlife aesthetics everywhere, especially in the U.K.
From Los Angeles Times ● Aug. 11, 2026
It admitted last week that its models broke out of their confined environment during testing, connected to the internet, and infiltrated Hugging Face, a site where developers store and share their code.
From Barron's ● Jul. 30, 2026
To time their strikes, they set up flags on infiltrated email systems so they see when payment-related messages land.
From The Wall Street Journal ● Jul. 21, 2026
To completely ensure the men didn't double-cross the Nazi regime, they were warned that Gestapo agents had infiltrated the FBI.
From Nazi Saboteurs by Samantha Seiple
