Word.ws English Dictionary

infiltrate

UK/ˈɪnfɪltɹeɪt//ˈɪnfəltɹeɪt/

infiltrate verb: to surreptitiously penetrate, enter or gain access to.

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.
    • Caithness was infiltrated with a palpable sense of being underimagined.2012, Will Self, Tough, Tough Toys for Tough, Tough Boys, →ISBN, page 113
  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.
    • In certain conditions, immune cells may infiltrate into the cerebrospinal fluid.
  6. (transitive) To send (soldiers, spies, etc.) through gaps in the enemy line.
    Antonyms:
    exfiltrate
  7. (intransitive) To move from a vein, remaining in the body.

Noun

infiltrate (plural infiltrates)

  1. Any undesirable substance or group of cells that has made its way into part of the body.
    • One critical distinction to make is whether a focal corneal infiltrate is infected with bacteria or is a sterile immunologic response.2008, Jimmy D. Bartlett, Siret D. Jaanus, Clinical Ocular Pharmacology, page 539
    • Extensive lumpy infiltrates with a tendency to caseate and to form fistulas with purulent secretions appear, mainly in the anogenital region.2013, Otto Braun-Falco, Dermatology, page 141

infiltrate meaning in Hindi, Tamil, Marathi and Urdu

infiltrate in Hindi

to surreptitiously penetrate, enter or gain access
घुसपैठ करना ghuspaiṭh karnā, पैठना paiṭhnā

infiltrate in Tamil

ஊடுருவு

infiltrate in Marathi

घुसखोरी करायला

infiltrate in Urdu

اندر گھسنا, چھانٹنا, داخل ہونا, سرائیت کرنا
More languagesFewer languages
infiltrate in Bengali
অনুপ্রবেশ করা, গোপনে প্রবেশ করা, চুইয়ে পড়া
infiltrate in Telugu
చొరబడటానికి, చొరబడేందుకు, చొరబడడానికి
infiltrate in Malayalam
വെള്ളം അരിച്ചുകടക്കുക, ചോരുക, നുഴഞ്ഞുകയറുക, വ്യാപിപ്പിക്കുക
infiltrate in Kannada
ಒಳಕ್ಕೆ ಹರಿಸು, ಒಳಗೆ ಹರಡು, ಒಳಹರಿ, ನುಸುಳು
infiltrate in Punjabi
ਘੁਸਪੈਠ ਕਰਨ ਲਈ
infiltrate in Gujarati
ઘૂસણખોરી કરવા માટે, ઘૂસણખોરી કરવા
infiltrate in Odia
ଅନୁପ୍ରବେଶ କରିବା
infiltrate in Nepali
घुसपैठ गर्ने, घुसपैठ गर्न, घुसखोरी गर्न
infiltrate in Indonesian
infiltrat
infiltrate in Persian
نفوذ کردن nofuz kardan
infiltrate in Thai
แทรกซึม, สอดแทรก

Examples of infiltrate in a sentence

  • High-profile abandonments are harder to infiltrate for urban explorers due to their heightened security.
  • And now, they have infiltrated our street.” “I have had horrible experiences with shapeshifters in the past.
  • They infiltrate through the pores of system peripherals and spread malwares using digital tools.

All 40 example sentences with infiltrate

Antonyms of infiltrate

Forms of infiltrate

Verb
third-person singular presentinfiltrates
present participleinfiltrating
past participleinfiltrated
pastinfiltrated
Noun
pluralinfiltrates

Past tense of infiltrate: infiltrated

Origin of infiltrate

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

Words formed from infiltrate

Questions about infiltrate

What does infiltrate mean?
Infiltrate means to surreptitiously penetrate, enter or gain access to.
What is infiltrate in Hindi?
Infiltrate in Hindi is घुसपैठ करना (ghuspaiṭh karnā), पैठना (paiṭhnā). See Infiltrate meaning in Hindi.
What part of speech is infiltrate?
Infiltrate can be a verb or a noun.
How do you pronounce infiltrate?
Infiltrate is pronounced /ˈɪnfɪltɹeɪt/ (UK).
What is the past tense of infiltrate?
The past tense of infiltrate is infiltrated.

Words near infiltrate in the dictionary

  1. infiltrability
  2. infiltrable
  3. infiltrant
  4. infiltrants
  5. infiltratable
  6. infiltrate
  7. infiltrated
  8. infiltrates
  9. infiltrating
  10. infiltration
  11. infiltration basin

Source and license

Adapted from Wiktionary: infiltrate (page history and authors); infiltrate (Tamil Wiktionary) (page history and authors); infiltrate (Marathi, IndicTrans2 machine translation) (model and license); infiltrate (Urdu Wiktionary) (page history and authors); Infiltrate (Bengali Wiktionary) (page history and authors); infiltrate (Telugu, IndicTrans2 machine translation) (model and license); infiltrate (Malayalam Wiktionary) (page history and authors); infiltrate (Kannada Wiktionary) (page history and authors); infiltrate (Punjabi, IndicTrans2 machine translation) (model and license); infiltrate (Gujarati, IndicTrans2 machine translation) (model and license); infiltrate (Odia, IndicTrans2 machine translation) (model and license); infiltrate (Nepali, IndicTrans2 machine translation) (model and license). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: en-us-infiltrate.ogg.

Cite this entry: “infiltrate.” Word.ws, https://word.ws/infiltrate. Based on Wiktionary, CC BY-SA 4.0.