as in sneaking
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
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Recent Examples of infiltrating
Tea is approached by PET and tasked with infiltrating the criminal empire of Miran, a ruthless criminal posing as a businessman.
—
Allison Degrushe, Entertainment Weekly, 30 Oct. 2025
Billitier did have a hell of a story to tell about his decades of undercover work for the FBI, including several years infiltrating a Colombian drug ring in Texas.
—Steve Belanger, HollywoodReporter, 23 Oct. 2025
Even with fewer boaters on the water, the threat of aquatic nuisance species infiltrating your favorite lake remains.
—Arkansas Online, 21 Oct. 2025
Nature infects everything, from the woodland murk that surrounds the town to the insects infiltrating Josie’s life, and Amor writes about it all with equal beauty and grotesquerie.
—Neil McRobert, Vulture, 16 Oct. 2025
Continue reading … COZY CONNECTIONS – Mamdani hands big check to radical group boasting about infiltrating his campaign.
—FOXNews.com, 8 Oct. 2025
This cannot be accomplished without infiltrating and taking over the PLO, something Hamas has never managed to do.
—Hussein Ibish, The Atlantic, 1 Oct. 2025
Alex’s reporting on the lobbyists infiltrating the climate summit ticked off an oil exec whose company takes out a lot of advertising on UBN.
—Kimberly Roots, TVLine, 1 Oct. 2025
But at a time when American moms are reaching their breaking point—and right-wing values are infiltrating the mainstream—is the choice to lean out of the workforce a radical new form of feminism or a regressive return to an outdated social system?
—Stephanie McNeal, Glamour, 23 Sep. 2025
Allison Degrushe, Entertainment Weekly, 30 Oct. 2025
Billitier did have a hell of a story to tell about his decades of undercover work for the FBI, including several years infiltrating a Colombian drug ring in Texas.
—Steve Belanger, HollywoodReporter, 23 Oct. 2025
Even with fewer boaters on the water, the threat of aquatic nuisance species infiltrating your favorite lake remains.
—Arkansas Online, 21 Oct. 2025
Nature infects everything, from the woodland murk that surrounds the town to the insects infiltrating Josie’s life, and Amor writes about it all with equal beauty and grotesquerie.
—Neil McRobert, Vulture, 16 Oct. 2025
Continue reading … COZY CONNECTIONS – Mamdani hands big check to radical group boasting about infiltrating his campaign.
—FOXNews.com, 8 Oct. 2025
This cannot be accomplished without infiltrating and taking over the PLO, something Hamas has never managed to do.
—Hussein Ibish, The Atlantic, 1 Oct. 2025
Alex’s reporting on the lobbyists infiltrating the climate summit ticked off an oil exec whose company takes out a lot of advertising on UBN.
—Kimberly Roots, TVLine, 1 Oct. 2025
But at a time when American moms are reaching their breaking point—and right-wing values are infiltrating the mainstream—is the choice to lean out of the workforce a radical new form of feminism or a regressive return to an outdated social system?
—Stephanie McNeal, Glamour, 23 Sep. 2025
Recent Examples of Synonyms for infiltrating
Verb
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Loomer started sneaking into her fund-raisers.—
Antonia Hitchens,
New Yorker,
10 Nov. 2025
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The shoe’s hook-and-loop closure is another standout feature that keeps feet securely in place and prevents cold air from sneaking in.—
Melony Forcier,
Travel + Leisure,
7 Nov. 2025
Verb
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The discovery helped open the door to more recent developments such as tinkering with the genetic makeup of living things, treating disease by inserting genes into patients, identifying human remains and criminal suspects from DNA samples, and tracing family trees and ancient human ancestors.—
Orianna Rosa Royle,
Fortune,
9 Nov. 2025
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To prevent the card from becoming soggy, fold a piece of clear tape across the bottom of the card before inserting into the fruit.—
Sarah Martens,
Better Homes & Gardens,
5 Nov. 2025
Verb
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The program’s pulse felt faint, its identity slipping further with each loss.—
Ira Gorawara,
New York Times,
9 Nov. 2025
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The Buffs dropped their third game in a row at Milan Puskar Stadium, falling 29-22 against the Mountaineers and slipping to 3-7 on a lost season.—
Sean Keeler,
Denver Post,
8 Nov. 2025
Verb
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When a publisher approached Deakins about writing a book, thinking of it more as a straightforward autobiography or Hollywood tell-all, Deakins was much more interested in the roadmap of how people get started as storytellers and the usually unusual, winding roads their careers take them on.—
Sarah Shachat,
IndieWire,
11 Nov. 2025
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The subsidies — which had been at the center of the fight over the US government shutdown — aren’t part of a deal winding through Congress to end the 42-day government shutdown.—
Caitlyn Reilly,
Fortune,
11 Nov. 2025
Cite this Entry
“Infiltrating.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infiltrating. Accessed 13 Nov. 2025.
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