infiltrate

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English

Etymology

From Middle English infiltrate (adj), from Medieval Latin infiltrātus, from infiltrō.

Pronunciation

  • (UK) IPA(key): /ˈɪnfɪltɹeɪt/
  • (US) IPA(key): /ˈɪnfəltɹeɪt/, /ɪnˈfɪltɹeɪt/
  • Audio (US)(file)

Verb

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

  1. (transitive, intransitive) 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. (transitive, intransitive, of a liquid) To pass through something by filtration.
  4. (transitive) To cause (a liquid) to pass through something by filtration.
  5. (transitive, intransitive, medicine) To invade or penetrate a tissue or organ.
    High-grade tumors often infiltrate surrounding structures.
    In certain conditions, immune cells may infiltrate into the cerebrospinal fluid.
  6. (transitive, military) To send (soldiers, spies, etc.) through gaps in the enemy line.
    Antonym: exfiltrate
  7. (intransitive, of an intravenous needle) To move from a vein, remaining in the body.

Derived terms

Translations

Noun

infiltrate (plural infiltrates)

  1. (pathology) Any undesirable substance or group of cells that has made its way into part of the body.
    • 2008, Jimmy D. Bartlett, Siret D. Jaanus, Clinical Ocular Pharmacology, page 539:
      One critical distinction to make is whether a focal corneal infiltrate is infected with bacteria or is a sterile immunologic response.

Translations

Interlingua

Participle

infiltrate

  1. past participle of infiltrar

Italian

Etymology 1

Verb

infiltrate

  1. inflection of infiltrare:
    1. second-person plural present indicative
    2. second-person plural imperative

Etymology 2

Participle

infiltrate f pl

  1. feminine plural of infiltrato

Anagrams

Spanish

Verb

infiltrate

  1. second-person singular voseo imperative of infiltrar combined with te
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