as in to sneak
to introduce in a gradual, secret, or clever way over time, undercover agents infiltrated the crime ring and eventually busted their gambling racket

Synonyms & Similar Words

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of infiltrate In the 1960s, Robert Welch and his John Birch Society (JBS) infiltrated the movement. Cal Thomas, Twin Cities, 5 Nov. 2025 Continue reading … RADICAL TAKEOVER – Mamdani's socialist allies praise video exposing their plan to infiltrate Dem Party. FOXNews.com, 3 Nov. 2025 Michelle spins a long and complicated tale, but insists Teddy was wrong about the Andromedans trying to infiltrate and poison humanity. Megan McCluskey, Time, 31 Oct. 2025 Two men disguised as butlers infiltrate The O Group on a rare day when almost everyone (except Mary) is in the office. Anne Victoria Clark, Vulture, 31 Oct. 2025 See All Example Sentences for infiltrate
Recent Examples of Synonyms for infiltrate
Verb
  • Brissett and the Cardinals responded immediately, marching 74 yards in 11 plays before Brissett snuck one across at the goal line.
    Scott Thompson, FOXNews.com, 4 Nov. 2025
  • Tibetan parents, fathers mostly, also snuck into India to leave their children at the school.
    Diaa Hadid, NPR, 4 Nov. 2025
Verb
  • Guiteau eventually worms his way into an audience, ostensibly seeking an ambassadorship for his dubious contributions to the campaign but, in reality, requesting a path to greatness.
    Inkoo Kang, New Yorker, 11 Nov. 2025
  • Popping in and out of the party's campaign headquarters with abandon (Secret Service didn't begin to protect the president until 1901), Guiteau tries to worm his way into Garfield's circle and somehow profit.
    Kelly Lawler, USA Today, 6 Nov. 2025
Verb
  • The woman had catheters inserted in her about 30 times over the years, but never had an experience like the one with Miller, the prosecutor said.
    City News Service, Oc Register, 8 Nov. 2025
  • The clerks inserted memory sticks from the tabulators with results from their local election into the laptop and a program transmitted them to the county through a dedicated, secured network.
    Christina Hall, Freep.com, 8 Nov. 2025
Verb
  • The program’s pulse felt faint, its identity slipping further with each loss.
    Ira Gorawara, New York Times, 9 Nov. 2025
  • After the premiere in Hollywood, Brown slipped into a red mini corset dress.
    Janelle Ash, FOXNews.com, 8 Nov. 2025
Verb
  • If this year’s March and June get-togethers were learning exercises — including for the staff after Tuchel began work in January — the next two and the one starting today (Sunday) are all about creating an atmosphere the players and the English public can all buy into.
    Jack Pitt-Brooke, New York Times, 9 Nov. 2025
  • The work also challenges the assumption that dew collection only works in humid climates.
    Prabhat Ranjan Mishra, Interesting Engineering, 9 Nov. 2025

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Cite this Entry

“Infiltrate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infiltrate. Accessed 15 Nov. 2025.

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