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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.

Though he tarnished royal prestige, many believe his infiltration of the czar’s inner circle was a mere symptom of a broader moral breakdown in which organized religion faltered and extreme views proliferated across Russia.

From The Wall Street Journal • Apr. 17, 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

Two years after the recording of ‘Strange Fruit’, Meeropol was summoned to appear before New York State’s Rapp-Coudert committee investigating alleged Communist infiltration of the state’s high schools.

From "The Story of Music" by Howard Goodall




Vocabulary lists containing infiltration