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
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Recent Examples of infiltrate
After Warren Jeffs’ arrest, what are the confluence of events that allow for a predator like Sam Bateman to infiltrate this vulnerable community?
—
Savannah Walsh, Vanity Fair, 6 Apr. 2026
On the Palmyra Atoll in the central Pacific, trees and their fungal partners infiltrate coral rubble and compete with invasive coconut palms.
—Quanta Magazine, 6 Apr. 2026
Still, even there, in the reddest part of red America, the girlboss has infiltrated.
—Emma Green, New Yorker, 6 Apr. 2026
In at least some of the recent cases, this involved infiltrating the victim’ delivery apps like DoorDash or Uber Eats with malware, allowing thieves to learn the victim’s address and other key information.
—Megan Cassidy, San Francisco Chronicle, 3 Apr. 2026
See All Example Sentences for infiltrate
Savannah Walsh, Vanity Fair, 6 Apr. 2026
On the Palmyra Atoll in the central Pacific, trees and their fungal partners infiltrate coral rubble and compete with invasive coconut palms.
—Quanta Magazine, 6 Apr. 2026
Still, even there, in the reddest part of red America, the girlboss has infiltrated.
—Emma Green, New Yorker, 6 Apr. 2026
In at least some of the recent cases, this involved infiltrating the victim’ delivery apps like DoorDash or Uber Eats with malware, allowing thieves to learn the victim’s address and other key information.
—Megan Cassidy, San Francisco Chronicle, 3 Apr. 2026
See All Example Sentences for infiltrate
Recent Examples of Synonyms for infiltrate
Verb
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Several candidates, including Marx, pledged to free the former Mesa County clerk, who was convicted for orchestrating a plot to sneak a third party into a secure area to examine voting equipment after the 2020 election.—
Seth Klamann,
Denver Post,
12 Apr. 2026
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But that was the only time the Badgers would sneak one past Hicks.—
Scott Wheeler,
New York Times,
12 Apr. 2026
Verb
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MomTok got Taylor on the plane and off to star in The Bachelorette, but not before Dakota worms his way in one last time.—
Joe Reid,
Vulture,
13 Mar. 2026
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The Real Housewives of Beverly Hills alum initially believed that the bug, which eluded detection and caused countless medical issues, wormed its way into her system while filming Bravo's The Real Housewives Ultimate Girls Trip in Morocco in early 2023.—
Ryan Coleman,
Entertainment Weekly,
19 Feb. 2026
Verb
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Many streaming hubs fill each commercial break with an assortment of spots that appear due to programmatic buying that inserts ads based on algorithms tied to demographics and geography.—
Brian Steinberg,
Variety,
16 Apr. 2026
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Five anchors were inserted in his shoulder.—
Bobby Narang,
Chicago Tribune,
16 Apr. 2026
Verb
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Spot gold, which is currently trading at around $4,838 per ounce, has fallen about 10% from its late-January peak, slipping into correction territory even as geopolitical risks intensify.—
Dylan Butts,
CNBC,
15 Apr. 2026
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The passing comment Fred Couples said to his caddie on the 12th hole of the opening round at the Masters was worth another listen when Rory McIlroy slipped both arms into the green jacket for the second year in a row.—
ABC News,
ABC News,
14 Apr. 2026
Verb
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But many people who live and work in the area are glad to see progress in trying to make this street safer.—
James Taylor,
CBS News,
16 Apr. 2026
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But Cukor, who hit his thirty-year up-or-out deadline without getting a star, had long since been removed to lucrative work in the private sector.—
Gideon Lewis-Kraus,
New Yorker,
15 Apr. 2026
Cite this Entry
“Infiltrate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infiltrate. Accessed 20 Apr. 2026.
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