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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.

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

Similar immune cell infiltration is seen in people who develop myocarditis after vaccination.

From Science Daily • Dec. 27, 2025

The infiltration, using overseas servers, started on June 24.

From The Wall Street Journal • Dec. 16, 2025

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