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  1. Dictionary
    infiltrate
    /ˈɪnf(ɪ)ltreɪt/

    verb

    • 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" Similar penetrateinvadeintrude oninsinuate oneself into
    • 2. (of a liquid) permeate (something) by filtration: "virtually no water infiltrates deserts such as the Sahara" Similar permeatepenetratepervadefilter through

    noun

    • 1. an infiltrating substance or a number of infiltrating cells: "a chest radiograph revealed a patchy infiltrate in the left lower lobes"

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  2. dictionary.cambridge.org › dictionary › englishINFILTRATE | English meaning - Cambridge Dictionary

    INFILTRATE definition: 1. to secretly become part of a group in order to get information or to influence the way that…. Learn more.

  3. www.merriam-webster.com › dictionary › infiltrateInfiltrate Definition & Meaning - Merriam-Webster

    The meaning of INFILTRATE is to enter or become established in gradually or unobtrusively usually for subversive purposes. How to use infiltrate in a sentence.

  4. www.collinsdictionary.com › dictionary › englishINFILTRATE definition and meaning | Collins English Dictionary

    If people infiltrate a place or organization, or infiltrate into it, they enter it secretly in order to spy on it or influence it. Activists had infiltrated the student movement. American English : infiltrate / ˈɪnfɪltreɪt /

  5. dictionary.cambridge.org › us › dictionaryINFILTRATE | definition in the Cambridge English Dictionary

    INFILTRATE meaning: 1. to secretly become part of a group in order to get information or to influence the way that…. Learn more.

  6. www.oxfordlearnersdictionaries.com › english › infiltrateinfiltrate verb - Definition, pictures, pronunciation and usage...

    [intransitive, transitive] infiltrate (into) something (specialist) (especially of liquids or gases) to pass slowly into something. Only a small amount of the rainwater actually infiltrates into the soil.

  7. www.vocabulary.com › dictionary › infiltrateInfiltrate - Definition, Meaning & Synonyms - Vocabulary.com

    Infiltrate is a verb that is familiar to international spies and undercover agents, who are all adept at joining a group under false pretenses, fitting in, and working their way up to the highest ranks in order to find out as much information as they can about the group.

  8. www.thefreedictionary.com › infiltrateInfiltrate - definition of infiltrate by The Free Dictionary

    To penetrate with hostile intent: infiltrate enemy lines; terrorists that had infiltrated the country. 2. To enter or take up positions in gradually or surreptitiously, as for purposes of espionage or takeover: infiltrated key government agencies with spies. 3.

  9. www.oxfordlearnersdictionaries.com › infiltrateinfiltrate verb - Definition, pictures, pronunciation and usage...

    [transitive, intransitive] to enter or make someone enter a place or an organization secretly, especially in order to get information that can be used against it infiltrate something The headquarters had been infiltrated by enemy spies. infiltrate somebody into something Rebel forces were infiltrated into the country. infiltrate into something T...

  10. dictionary.cambridge.org › dictionary › learner-englishMeaning of infiltrate – Learner’s Dictionary - Cambridge...

    INFILTRATE definition: to secretly join a group or organization so that you can learn more about them: . Learn more.

  11. www.yourdictionary.com › infiltrateInfiltrate Definition & Meaning - YourDictionary

    Infiltrate definition: To enter or take up positions in gradually or surreptitiously, as for purposes of espionage or takeover.