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Definitions

infiltration

[in-fil-tray-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.

See Examples For:

It also increased the infiltration of T cells, immune cells that are typically prevented from entering pancreatic tumors.

From Science Daily ● Oct. 4, 2026

James Scobie KC, representing Lavrynovych, said he was a "complete and utter foot soldier" and "fodder for this type of infiltration".

From BBC ● Jun. 19, 2026

Unable to launch major offensive operations on the front, Russia has taken to launching infiltration operations: sending small groups of soldiers behind enemy lines to hold key positions until reinforcements arrive.

From Barron's ● Jun. 14, 2026

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

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


Vocabulary lists containing infiltration

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