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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.

The onset of late spring will make it harder for Ukraine to spot Russian troops in verdant foliage, Kofman cautioned, meaning infiltration is likely to remain an important element of Russia’s coming summer offensive.

From The Wall Street Journal • May 12, 2026

It is a paranoid reflex that turns any hint of infiltration into proof of betrayal.

From Salon • Apr. 25, 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

The group said its fighters had "observed the infiltration of four Israeli enemy army helicopters from the Syrian direction".

From Barron's • Mar. 7, 2026

The infiltration of soldiers from North to South was steadily rising.

From "Most Dangerous: Daniel Ellsberg and the Secret History of the Vietnam War" by Steve Sheinkin




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