Thesaurus.com
Dictionary.com
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.

It is a paranoid reflex that turns any hint of infiltration into proof of betrayal.

From Salon • Apr. 25, 2026

Though he tarnished royal prestige, many believe his infiltration of the czar’s inner circle was a mere symptom of a broader moral breakdown in which organized religion faltered and extreme views proliferated across Russia.

From The Wall Street Journal • Apr. 17, 2026

"We show that increased infiltration of T cells that are attacking tumor cells translates into a therapeutic benefit for patients with glioblastoma," said Chiocca, who is also a co-senior author of the study.

From Science Daily • Mar. 20, 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 infiltration of soldiers from North to South was steadily rising.

From "Most Dangerous: Daniel Ellsberg and the Secret History of the Vietnam War" by Steve Sheinkin




Vocabulary lists containing infiltration