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

From Barron's • Mar. 7, 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

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

From Science Daily • Dec. 27, 2025

I need not remind you about the attempted infiltration of a certain preserve in the interior of Brazil last year.

From "Fablehaven" by Brandon Mull