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 Rubio recalled the tight security cooperation between Havana and Caracas, remarking that Cuban agents had infiltrated Venezuelan spy agencies and provided personal security to Maduro. Nora Gámez Torres, Miami Herald, 3 Jan. 2026 Joining the ranks of books like Yume Kitasei’s The Stardust Grail is Molly Tanzer’s novella, which follows a group of misfits trying to infiltrate the intergalactic Greenwood Museum. Literary Hub, 2 Jan. 2026 To infiltrate the animal world and solve an ecological crisis! Lauren Brown West-Rosenthal, Parents, 1 Jan. 2026 Let’s try to correct the negative and mean thoughts and ideas in our heads and hearts that infiltrate every part of our interactions with others during our daily routine. Chicago Tribune, 1 Jan. 2026 See All Example Sentences for infiltrate
Recent Examples of Synonyms for infiltrate
Verb
  • Some of my earliest memories are sneaking out of bed to sit at the top of the stairs, desperate to catch a glimpse of the gold and the glamour.
    Michael Schneider, Variety, 8 Jan. 2026
  • If the cover art suggests ’70s private-press albums have snuck into Garm’s rotation, the music seems to confirm it.
    Daniel Bromfield, Pitchfork, 8 Jan. 2026
Verb
  • Callahan spent much of season 4 trying to worm inside Kyle's head and lure him over to the Aryans in order to undercut Mike, but Kyle managed to resist his twisted siren song.
    Randall Colburn, Entertainment Weekly, 28 Dec. 2025
  • Clara ends up moving to the small town and worming her way into everyone’s hearts.
    Literary Hub, Literary Hub, 12 Dec. 2025
Verb
  • For a mayor confronting rising rents, strained public transit, public safety concerns, and looming budget pressures, inserting himself into a volatile geopolitical dispute appears, at best, a distraction from the immediate work of governing.
    Francisco Marte, New York Daily News, 15 Jan. 2026
  • Some encouraged me to insert myself into the pages of reformist newspapers, where all literary debates in pre-internet Iran took place.
    Amir Ahmadi Arian, The Dial, 15 Jan. 2026
Verb
  • This is the perfect time of year to slip into an ultra-soft flannel set or select a set that exudes hotel luxury.
    Mariana Best, Better Homes & Gardens, 12 Jan. 2026
  • This is designed more like a wallet, with a pouch to slip your passport in as well as external pockets to stash a few essential cards and bills.
    Sophie Dodd, Travel + Leisure, 11 Jan. 2026
Verb
  • On June 20, 2001, Rusty left work work in the morning approximately an hour before his mother was set to arrive.
    Caroline Blair, PEOPLE, 15 Jan. 2026
  • The veteran went on to a wide-ranging career, teaching physics and chemistry at Roxbury Memorial High School, working as a State Department courier, serving as assistant corporation counsel for the city of Boston and working in private legal practice.
    Grace Zokovitch, Boston Herald, 15 Jan. 2026

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Cite this Entry

“Infiltrate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infiltrate. Accessed 19 Jan. 2026.

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