1. infiltrate - Noun
2. infiltrate - Verb
To enter by penetrating the pores or interstices of a substance; to filter into or through something.
To penetrate gradually; -- sometimes used reflexively.
Source: Webster's dictionarythe substance infiltrated the material Source: Internet
The student organization was infiltrated by a traitor Source: Internet
A female reporter investigating the scientist's activities would have suffered from psychic visions of plants with humanoid faces compelling her to infiltrate the scientist's laboratory. Source: Internet
A desperate McPhearson contacts the V.S.S.E., who in turn dispatch veteran agent Richard Miller, the "One Man Army", to infiltrate the castle and rescue Rachel. Source: Internet
According to his wife Libby, his assignment was to infiltrate the anti-communist John Birch Society and report his findings back to the FBI. Source: Internet
A Chinese servant was able to infiltrate through the Boxer and Qing lines, informing the Eight Powers of the Seymour troops' predicament. Source: Internet