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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

His brigade is building up its midrange drone capabilities to hit Russian forces at up to 15 miles behind the front line, before they can launch infiltration attempts, he said.

From The Wall Street Journal • Feb. 9, 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

"The primary failure identified was the refusal to provide complete and verifiable information regarding their employees, a critical requirement designed to prevent the infiltration of terrorist operatives into humanitarian structures," the ministry said.

From Barron's • Jan. 1, 2026

Two doors and a passage with a double turn insured the cellar against any possible infiltration of the day.

From "Brave New World" by Aldous Huxley




Vocabulary lists containing infiltration