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
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
The Savant star took to Instagram to share her perspective on the network delaying the miniseries, which follows an investigator infiltrating domestic extremist groups, indefinitely.
—Mekishana Pierre, Entertainment Weekly, 24 Sep. 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the mainstream—is the choice to lean out of the workforce a radical new form of feminism or a regressive return to an outdated social system?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
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
The Savant star took to Instagram to share her perspective on the network delaying the miniseries, which follows an investigator infiltrating domestic extremist groups, indefinitely.
—Mekishana Pierre, Entertainment Weekly, 24 Sep. 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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Here is Carreras profiting from that exact ploy while playing for Benfica against Barcelona in the Champions League last season, sneaking forward on the far side before receiving the switch and hammering a low cross into striker Vangelis Pavlidis to score.—
Anantaajith Raghuraman,
New York Times,
25 Oct. 2025
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Eileen’s determination to face down the boys and be accepted for her full self or Hedda sneaking around and steering everyone’s fates behind the scenes?—
Amy Nicholson,
Twin Cities,
23 Oct. 2025
Verb
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Also on Sunday, Sturm scratched second line center Casey Mittelstadt, moving Pavel Zacha to center and re-inserting Khusnutdinov back into the lineup and onto the second line.—
Steve Conroy,
Boston Herald,
20 Oct. 2025
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Back in 2019 the Dolphins were intentionally tanking the team, trading quality players before the season and routinely inserting players claimed off the waiver wire into the lineup.—
Omar Kelly
Updated October 19,
Miami Herald,
19 Oct. 2025
Verb
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Women’s Power Stride Tab Socks 3-pack Designed with training in mind, this three-pack of no-show socks boasts an interior grip that keeps them from slipping during use.—
Sophie Dodd,
Travel + Leisure,
26 Oct. 2025
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Messi picked up the ball from his compatriot Rodrigo De Paul in midfield and burst toward the backpedaling Nashville back line before slipping the ball outside to Luis Suárez.—
The Athletic Staff,
New York Times,
25 Oct. 2025
Verb
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Here, sculptures, interactive exhibits, and winding paths encourage exploration at every turn.—
Lauren Dana Ellman,
Travel + Leisure,
28 Oct. 2025
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Everybody’s ripping on one another, taking the piss out, winding each other up.—
Tracee Ellis Ross,
Glamour,
27 Oct. 2025
Cite this Entry
“Infiltrating.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infiltrating. Accessed 30 Oct. 2025.
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