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
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Recent Examples of infiltrating
In it, when her brother is arrested, Harvard Law student Madison Rivera cuts a deal with the DOJ to save him by infiltrating the chambers of the most powerful judge in Boston, Judge Kathryn Conroy.
—
Nellie Andreeva, Deadline, 3 June 2026
After infiltrating the local music scene, Arthur was offered a gig as rhythm guitarist in the Merry-Go-Round band, on one condition — a rebranding.
—Jonathan Rowe, SPIN, 1 June 2026
Likewise, in fashion, bandanas, plaid shirts, prairie skirts, and Western boots have been busy infiltrating our wardrobes.
—Elle Turner, Glamour, 31 May 2026
There is no infiltrating this environment.
—Matthew Fairburn, New York Times, 11 May 2026
Knicks fans even went as far as infiltrating local news broadcasts in celebration.
—Ryan Gaydos, FOXNews.com, 11 May 2026
According to the ministry, foreign spies are infiltrating everything from mapping apps to weather stations.
—Sylvie Zhuang, CNN Money, 7 May 2026
Expect launch photos, snaps of historic hardware destined for space, images of the night sky and, from time to time, photographic evidence of our entertainment editor Ian Stokes infiltrating Amazon's London office to sneak a peek at their May the 4th Star Wars offering … allegedly.
—Anthony Wood, Space.com, 2 May 2026
But the opening sequence was a rip-roaring cold open in which Mando and Grogu are infiltrating a base to take down an empire loyalist.
—Brian Welk, IndieWire, 16 Apr. 2026
Nellie Andreeva, Deadline, 3 June 2026
After infiltrating the local music scene, Arthur was offered a gig as rhythm guitarist in the Merry-Go-Round band, on one condition — a rebranding.
—Jonathan Rowe, SPIN, 1 June 2026
Likewise, in fashion, bandanas, plaid shirts, prairie skirts, and Western boots have been busy infiltrating our wardrobes.
—Elle Turner, Glamour, 31 May 2026
There is no infiltrating this environment.
—Matthew Fairburn, New York Times, 11 May 2026
Knicks fans even went as far as infiltrating local news broadcasts in celebration.
—Ryan Gaydos, FOXNews.com, 11 May 2026
According to the ministry, foreign spies are infiltrating everything from mapping apps to weather stations.
—Sylvie Zhuang, CNN Money, 7 May 2026
Expect launch photos, snaps of historic hardware destined for space, images of the night sky and, from time to time, photographic evidence of our entertainment editor Ian Stokes infiltrating Amazon's London office to sneak a peek at their May the 4th Star Wars offering … allegedly.
—Anthony Wood, Space.com, 2 May 2026
But the opening sequence was a rip-roaring cold open in which Mando and Grogu are infiltrating a base to take down an empire loyalist.
—Brian Welk, IndieWire, 16 Apr. 2026
Recent Examples of Synonyms for infiltrating
Verb
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Autonomous task forces of drones could be assigned to defend against specific threats — Russian subs sneaking into the Atlantic Ocean, say, or a possible amphibious landing on Taiwan.—
Editorial,
Boston Herald,
30 May 2026
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As for oats, consider sneaking in some extra protein to round out their nutritional profile.—
Julia Ries Wexler,
Health,
28 May 2026
Verb
-
Hull the strawberries by inserting a paring knife into the stem end and twisting (alternatively, slice off the top to remove the stem).—
Maddy Sweitzer-Lamme,
Bon Appetit Magazine,
5 June 2026
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Invest your energies there, rather than in trying to debate with your mother or inserting yourself into the conflict between your father and this man.—
R. Eric Thomas,
Denver Post,
4 June 2026
Verb
-
Wednesday's vote signals his support for the war may be slipping even among some members of his own party.—
Claudia Grisales,
NPR,
3 June 2026
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And after a day navigating crowds, returning to the hotel feels kind of like slipping back behind a velvet rope.—
Condé Nast,
Condé Nast Traveler,
2 June 2026
Verb
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That’s continuing ongoing supply crunches of helium, fertilizer, natural gas and oil, the effects of which are still winding their way through the global economy and the worst may not be felt for weeks, even if traffic were to reopen today.—
Alex Knapp,
Forbes.com,
5 June 2026
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Narrow, winding streets and passageways lead up to the centuries-old Eglise Saint-Sauveur for sweeping views of the rugged valley.—
Evie Carrick,
Travel + Leisure,
3 June 2026
Cite this Entry
“Infiltrating.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infiltrating. Accessed 7 Jun. 2026.
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