infiltrated

Verb

infiltrate (third-person singular simple present infiltrates, present participle infiltrating, simple past and past participle infiltrated)

1. (ambitransitive) To surreptitiously penetrate, enter or gain access to.
   • The spy infiltrated the high-tech company and stole many secrets.
2. (transitive) To cause to penetrate in this way.
   • The agency infiltrated several spies into the company.
3. (ambitransitive) To pass through something by filtration.
4. (transitive) To cause (a liquid) to pass through something by filtration.
5. (ambitransitive) To invade or penetrate a tissue or organ.
   • High-grade tumors often infiltrate surrounding structures.
6. (transitive) To send (soldiers, spies, etc.) through gaps in the enemy line.

   Antonyms:

   exfiltrate

See all 8 meanings of infiltrate