infiltrator

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/ˈɪnfɪltɹeɪtə//ˈɪnfɪltɹeɪtɔː/

noun

One who infiltrates an organization or territory; an undercover or covert agent.

UncommonScrabble 14

Meanings

nouninfiltrator (plural infiltrators)

plural infiltrators

  1. One who infiltrates an organization or territory; an undercover or covert agent.

    Sometimes Israelis were attacked by Arab infiltrators, and hardly a month went by without a West Jerusalemite either being killed or wounded.

    1981, Terrence Prittie, Whose Jerusalem?, page 72
    3 more examples

    Suddenly, one of the cadre appeared from out of the darkness. "Hello, soldier", he said. "Do you have a light?” “Sure,” Jack replied, digging into his pocket for a book of matches. “Soldier! You are dead!” exclaimed the cadre. Jack had failed to challenge the infiltrator. The password was “Bronx”, the counter password was “Bombers”.

    2015, Roger K. Baer, An American Journey, →ISBN

    Sudan’s President Omar al-Bashir blamed infiltrators for the recent deaths of anti-government protesters a speech Sunday while vowing to respect the will of the people in the 2020 elections.

    2019 January 20, Sarah El Sirgany and Bianca Britton, “Sudan’s Omar al-Bashir blames infiltrators for anti-government protest deaths”, in CNN

    “We will remove every single infiltrator from the country, except Buddha, Hindus and Sikhs,” Bharatiya Janata Party (BJP) president Amit Shah told supporters in West Bengal on Thursday.

    2019 April 12, James Griffiths and Manveena Suri, “Outrage over BJP promise to ‘remove every single infiltrator’ from India”, in CNN

    Synonyms: informant, narc, spy, plant, provocateur

Synonyms & antonyms

nounOne who infiltrates an organization or territory; an undercover or covert agent.

Origin

Translations

Dutch infiltrant
  • infiltrantone who infiltrates
Finnish soluttautuja
  • soluttautujaone who infiltrates
French infiltrateur
  • infiltrateurone who infiltrates
Hebrew מסתנן
  • מסתנן (mistanen)one who infiltrates
Hindi घुसपैठिया
  • घुसपैठिया (ghuspaiṭhiyā)one who infiltrates
Italian infiltratore
  • infiltratoreone who infiltrates
Russian аге́нт, аге́нтка
  • аге́нт (agént)one who infiltrates
  • аге́нтка (agéntka)one who infiltrates
  • лазу́тчик (lazútčik)one who infiltrates
  • лазу́тчица (lazútčica)one who infiltrates
Spanish infiltrador
  • infiltradorone who infiltrates
Swedish infiltratör
  • infiltratörone who infiltrates
Cite this entry
APA

infiltrator. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/infiltrator

MLA

“infiltrator.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/infiltrator. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “infiltrator,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/infiltrator.

Source: infiltrator on Wiktionary, CC BY-SA 4.0.