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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

A Ukrainian military spokesman responsible for the southern front said the operations there aimed to repel the Russian infiltration groups from Ukrainian villages and were a part of defense maneuvers.

From The Wall Street Journal • Feb. 13, 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

One man has claimed responsibility for the infiltration, saying he did so to detect radiation levels from the North's Pyongsan uranium processing facility.

From Barron's • Jan. 21, 2026

It is an infiltration of intellects, an inflammation.

From "The Lives of a Cell" by Lewis Thomas




Vocabulary lists containing infiltration