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Infiltrate

ˈɪnf(ɪ)ltreɪt

Infiltrate definitions
verb
infiltrate infiltrated infiltrates infiltrating
  1. enter or gain access to (an organization, place, etc.) surreptitiously and gradually, especially in order to acquire secret information

    "the organization has been infiltrated by informers"

    penetrate invade intrude on insinuate oneself into worm one's way into sneak into slip into creep into impinge on trespass on butt into
    • gradually permeate or become a part of

      "computing has infiltrated most professions now"

    • (of a tumour, cells, etc.) spread into or invade (a tissue or organ)

      "one of the tumours infiltrated the submucosa"

  2. (of a liquid) permeate (something) by filtration

    "virtually no water infiltrates deserts such as the Sahara"

    permeate penetrate pervade filter through percolate through spread through seep into seep through soak into flow into pass into get into enter
    • cause (a liquid) to permeate something by filtration

      "lignocaine was infiltrated into the wound"