INFILTRATE
- to cause to filter into [v INFILTRATED, INFILTRATING, INFILTRATES]
- (of a liquid) Permeate (something) by filtration
- Enter or gain access to (an organization, place, etc.) surreptitiously and gradually, esp. in order to acquire secret information
- Permeate or become a part of (something) in this way
- (of a tumor, cells, etc.) Spread into or invade (a tissue or organ)
- Introduce (a liquid) into something in this way