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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

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

The short June war with Israel also exposed the government’s weakness and its inability to protect itself from infiltration by Israeli spies.

From The Wall Street Journal • Dec. 30, 2025

Frank, Bill and Lillian, still in junior high school, resented the infiltration of the high school romeos.

From "Cheaper by the Dozen" by Frank B. Gilbreth Jr. and Ernestine Gilbreth Carey




Vocabulary lists containing infiltration