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Definitions

infiltration

[in-fil-trey-shuhn] / ˌɪn fɪlˈtreɪ ʃən /






NOUN
seepage
Synonyms


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.

Troops sent on infiltration missions are often ex-convicts given only days of training, since walking to an assigned location and awaiting further orders requires minimal proficiency, Kofman said.

From The Wall Street Journal • May 12, 2026

"We show that increased infiltration of T cells that are attacking tumor cells translates into a therapeutic benefit for patients with glioblastoma," said Chiocca, who is also a co-senior author of the study.

From Science Daily • Mar. 20, 2026

One tactic was by far the most effective: infiltration.

From Salon • Feb. 15, 2026

California banned phones in public school classrooms beginning in January, largely in response to the infiltration of social media.

From Los Angeles Times • Feb. 9, 2026

In July of that year, the committee announced a new round of investigations, but this time into something far more serious than the communist infiltration of Hollywood.

From "Spies: The Secret Showdown Between America and Russia" by Marc Favreau




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