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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Recent Examples of infiltrating
The development comes after long-standing fears about Chinese agents infiltrating London’s political circle.
—
Emily Hallas, The Washington Examiner, 4 Mar. 2026
Security footage showed that Alexander Friedmann had been infiltrating the building for months.
—David Remnick, New Yorker, 2 Mar. 2026
Foreign agents are infiltrating colleges, think tanks, and corporations.
—Kim Hjelmgaard, USA Today, 26 Feb. 2026
Even so, this isn’t only a Shein story, but a broader one about China that reveals the superpower’s ambition to expand e-commerce as a beachhead for infiltrating Western markets despite mounting trade barriers, said Sheng Lu, professor of fashion and apparel studies at the University of Delaware.
—Jasmin Malik Chua, Sourcing Journal, 24 Feb. 2026
Thematically, Wuthering Heights is reminiscent of the director’s previous movie, Saltburn, which also saw a rough outsider infiltrating the upper class in Britain.
—David Sims, The Atlantic, 9 Feb. 2026
The story begins with the Minions infiltrating Hollywood and pitching their own monster movie.
—Randall Colburn, Entertainment Weekly, 9 Feb. 2026
The Diaspora Ministry, which proposed them, says they are aimed at preventing Hamas and other militant groups from infiltrating aid groups.
—Samy Magdy, Los Angeles Times, 1 Feb. 2026
His primary qualification for infiltrating the innermost sanctums of Trumpworld would seem to be a vast capacity for cozying up to friends of the Donald.
—Chris Lee, Vulture, 30 Jan. 2026
Emily Hallas, The Washington Examiner, 4 Mar. 2026
Security footage showed that Alexander Friedmann had been infiltrating the building for months.
—David Remnick, New Yorker, 2 Mar. 2026
Foreign agents are infiltrating colleges, think tanks, and corporations.
—Kim Hjelmgaard, USA Today, 26 Feb. 2026
Even so, this isn’t only a Shein story, but a broader one about China that reveals the superpower’s ambition to expand e-commerce as a beachhead for infiltrating Western markets despite mounting trade barriers, said Sheng Lu, professor of fashion and apparel studies at the University of Delaware.
—Jasmin Malik Chua, Sourcing Journal, 24 Feb. 2026
Thematically, Wuthering Heights is reminiscent of the director’s previous movie, Saltburn, which also saw a rough outsider infiltrating the upper class in Britain.
—David Sims, The Atlantic, 9 Feb. 2026
The story begins with the Minions infiltrating Hollywood and pitching their own monster movie.
—Randall Colburn, Entertainment Weekly, 9 Feb. 2026
The Diaspora Ministry, which proposed them, says they are aimed at preventing Hamas and other militant groups from infiltrating aid groups.
—Samy Magdy, Los Angeles Times, 1 Feb. 2026
His primary qualification for infiltrating the innermost sanctums of Trumpworld would seem to be a vast capacity for cozying up to friends of the Donald.
—Chris Lee, Vulture, 30 Jan. 2026
Recent Examples of Synonyms for infiltrating
Verb
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Peters was convicted of state crimes for sneaking in an outside computer expert to copy images of her county's election computer system before and after state officials updated it in 2021.—
Arkansas Online,
Arkansas Online,
6 Mar. 2026
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Peters was convicted of state crimes for sneaking in an outside computer expert to copy images of her county’s election computer system before and after state officials updated it in 2021.—
Colleen Slevin,
Los Angeles Times,
5 Mar. 2026
Verb
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Cosme did four months of physical therapy that were unsuccessful before surgeons performed a periacetabular osteotomy on her right hip, breaking her pelvis in four places and inserting four screws.—
Krystle Rich,
CBS News,
6 Mar. 2026
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After their creation, ORPs are installed in the riverbed by inserting the metal pin into the bottom of the reef.—
Amaia Gavica,
Miami Herald,
6 Mar. 2026
Verb
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People walking around Boston were also slipping and sliding Wednesday morning.—
Anna Meiler,
CBS News,
4 Mar. 2026
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But their resolve appears to be slipping, and the WNBA is taking advantage.—
Fiifi Frimpong,
New York Daily News,
3 Mar. 2026
Verb
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Informal landscapes often feature winding paths made of mulch, fieldstones, log rounds, or even mowed turf.—
Luke Miller,
Better Homes & Gardens,
4 Mar. 2026
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Frustrated residents struggled to navigate shifting poll sites, downed websites and long, winding election lines.—
Jamie Landers,
Dallas Morning News,
4 Mar. 2026
Cite this Entry
“Infiltrating.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infiltrating. Accessed 12 Mar. 2026.
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