Infiltration

//ɪnfɪlˈtɹeɪʃən//

"Infiltration" in a Sentence (2 examples)

calcareous infiltrations filling the cavities

No one should be under any illusions about the objective of the Communist Party leadership: it’s long-term, systematic infiltration of social organisations, media and government. By the time China’s infiltration of Australia is readily apparent, it will be too late.

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