The meaning of INFILTRATE is to enter or become established in gradually or unobtrusively usually for subversive purposes. How to use infiltrate in a sentence.

INFILTRATION definition: the act or process of infiltrating. See examples of infiltration used in a sentence.

INFILTRATION definition: 1. the process of secretly becoming part of a group in order to get information or to influence the…. Learn more.

In science, infiltration generally refers to rainwater being absorbed by the ground, or groundwater entering sewers and causing overflows that harm the environment.

[uncountable] infiltration (of something) (into something) the process of passing slowly into something. Definition of infiltration noun in Oxford Advanced Learner's Dictionary. Meaning, …

Define infiltration. infiltration synonyms, infiltration pronunciation, infiltration translation, English dictionary definition of infiltration. n. 1. The act or process of infiltrating. 2. The state of being …

infiltration, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

INFILTRATION definition: the act or process of infiltrating | Meaning, pronunciation, translations and examples

Dec 14, 2025 · infiltration (countable and uncountable, plural infiltrations) The act or process of infiltrating, as of water into a porous substance, or of a fluid into the cells of an organ or part of …

to filter into or through; permeate. to cause to pass in by filtering. Military to move into (an organization, country, territory, or the like) surreptitiously and gradually, esp. with hostile intent: …