Definition of infiltratenext
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 Invasive plant species have infiltrated many of the natural grasslands, said DavidWedin, director of the University of Nebraska’s Center for Grassland Studies. Julia Jacobo, ABC News, 17 June 2026 Towle, 26, is currently in between stages of a clinical trial involving tumor-infiltrating lymphocyte (TIL) therapy. Zoey Lyttle, PEOPLE, 12 June 2026 The Institute for the Study of War has reported that, in the course of advancing towards Kostyantynivka, Russian forces infiltrated the southeastern portion of the city and its suburbs, pushing 2 to 4 kilometers ahead of their assessed lines. Vikram Mittal, Forbes.com, 12 June 2026 Bias and hatred infiltrate daily discourse. David Kay, The Orlando Sentinel, 11 June 2026 See All Example Sentences for infiltrate
Recent Examples of Synonyms for infiltrate
Verb
  • Koorimannil managed to sneak out a screenshot from his computer that AP and security nonprofit C4ADS used to identify the key to his productivity — a software platform called Kongtian Intelligent Customer Acquisition, or KT for short.
    ABC News, ABC News, 30 June 2026
  • In just its fourth World Cup appearance, Norway has the chance to sneak into the Round of 16 for the third time.
    Nick Harris, Fort Worth Star-Telegram, 30 June 2026
Verb
  • Heath hoped that the agent could worm his way even deeper into Red44.
    Keith O’Brien, New Yorker, 25 June 2026
  • The flea larvae, which look like tiny maggots, worm their way into the carpet or mattress, feeding on the flea dirt that their parents left behind, says Benson.
    Arricca Elin SanSone, Southern Living, 28 May 2026
Verb
  • Right now, Bright Uro is commercializing Glean, a miniature device that can be inserted non-surgically into the bladder and record data.
    Sam Gillette, PEOPLE, 25 June 2026
  • The robot dynamically adjusts its posture and force when inserting and removing flexible wiring harnesses, ensuring secure connections without damaging sensitive battery components.
    Jijo Malayil, Interesting Engineering, 25 June 2026
Verb
  • The styles incorporate features typically found in work shoes, including nano toe, steel toe, waterproof, electrical hazard protection, slip resistant outsoles and quick draw laces.
    Vicki M. Young, Footwear News, 30 June 2026
  • Circle’s stock slipped 13% after the announcement and now trades at $66 per share.
    Camila Grigera Naón, Fortune, 30 June 2026
Verb
  • Theory may not work in practice as the sun confronts Neptune.
    USA TODAY, USA Today, 25 June 2026
  • Dylan, who lists himself as a foley artist and sound designer in his Instagram bio, worked in the sound departments on several projects, including Game of Thrones, Black Sails and Power, as well as in video games and films.
    Diana Pearl, PEOPLE, 24 June 2026

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Cite this Entry

“Infiltrate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infiltrate. Accessed 1 Jul. 2026.

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