infiltrated

/IH0 N F IH1 L T R EY0 T IH0 D/
verb
  1. 1

    To surreptitiously penetrate, enter or gain access to.

  2. 2

    (of a liquid) To pass through something by filtration.

  3. 3

    To cause (a liquid) to pass through something by filtration.

  4. 4

    To invade or penetrate a tissue or organ.

    โ€œHigh-grade tumors often infiltrate surrounding structures.โ€

  5. 5

    To send (soldiers, spies etc.) through gaps in the enemy line.

  6. 6

    (of an intravenous needle) To move from a vein, remaining in the body.

Antonyms

Source: https://en.wiktionary.org/wiki/infiltrate, https://en.wiktionary.org/wiki/infiltrated