cause (a liquid) to enter by penetrating the interstices enter a group or organization in order to spy on the members; "The student organization was infiltrated by a traitor
If people infiltrate a place or organization, or infiltrate into it, they enter it secretly in order to spy on it or influence it. Activists had infiltrated the student movement A reporter tried to infiltrate into the prison. + infiltration infiltrations in·fil·tra·tion an inquiry into alleged infiltration by the far left group
pass through an enemy-line; in a military conflict pass into or through by filtering or permeating; "the substance infiltrated the material"
enter a group or organization in order to spy on the members; "The student organization was infiltrated by a traitor"
To pass troops in relatively small numbers through an opening in the enemy's position or his field of fire or through territory occupied by other troops or organizations
a collection of fluid and cells in the tissues of the lung; visible on a chest x-ray in people with pulmonary TB disease
Abnormal accumulation of cells and fluid into tissue where they are not normally found
pass through an enemy-line; in a military conflict pass into or through by filtering or permeating; "the substance infiltrated the material" cause (a liquid) to enter by penetrating the interstices enter a group or organization in order to spy on the members; "The student organization was infiltrated by a traitor