as in sneaked
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 infiltrated
In 2024 Israeli operatives infiltrated Hezbollah’s supply chain and used shell companies to sell members pagers and walkie-talkies rigged with explosives.
—
Deni Ellis Béchard, Scientific American, 26 Mar. 2026
Chavez and his aides repeatedly claimed that their critics are Communist or grower sympathizers who infiltrated the UFW before turning on it.
—Marcos Breton, Sacbee.com, 24 Mar. 2026
Afternoon and early-evening sessions, once thought safe, were infiltrated by those stashing weapons.
—Preezy Brown, VIBE.com, 19 Mar. 2026
In the other, Chinese hackers infiltrated the email accounts of a Cabinet member and other senior government officials.
—Renee Dudley, ProPublica, 18 Mar. 2026
But with the March 17 primary just days away, fresh faces are vying to replace experienced lawmakers and outside campaign cash has infiltrated a string of races for the Illinois House and Senate.
—Chicago Tribune, 16 Mar. 2026
Still, Frankel told EW in the oral history piece that production designer Jess Gonchor secretly infiltrated the Vogue offices to scope Wintour's workspace — and replicated its aesthetic for the movie.
—Joey Nolfi, Entertainment Weekly, 16 Mar. 2026
In 2014, quagga mussels infiltrated the water pumps of Cave Creek, racking up a bill of nearly $50,000 for emergency repairs.
—Shi En Kim, AZCentral.com, 13 Mar. 2026
Dirty tints even infiltrated Emporio Armani’s range of pleated denim trousers and button-down shirts.
—Angela Velasquez, Sourcing Journal, 9 Mar. 2026
Deni Ellis Béchard, Scientific American, 26 Mar. 2026
Chavez and his aides repeatedly claimed that their critics are Communist or grower sympathizers who infiltrated the UFW before turning on it.
—Marcos Breton, Sacbee.com, 24 Mar. 2026
Afternoon and early-evening sessions, once thought safe, were infiltrated by those stashing weapons.
—Preezy Brown, VIBE.com, 19 Mar. 2026
In the other, Chinese hackers infiltrated the email accounts of a Cabinet member and other senior government officials.
—Renee Dudley, ProPublica, 18 Mar. 2026
But with the March 17 primary just days away, fresh faces are vying to replace experienced lawmakers and outside campaign cash has infiltrated a string of races for the Illinois House and Senate.
—Chicago Tribune, 16 Mar. 2026
Still, Frankel told EW in the oral history piece that production designer Jess Gonchor secretly infiltrated the Vogue offices to scope Wintour's workspace — and replicated its aesthetic for the movie.
—Joey Nolfi, Entertainment Weekly, 16 Mar. 2026
In 2014, quagga mussels infiltrated the water pumps of Cave Creek, racking up a bill of nearly $50,000 for emergency repairs.
—Shi En Kim, AZCentral.com, 13 Mar. 2026
Dirty tints even infiltrated Emporio Armani’s range of pleated denim trousers and button-down shirts.
—Angela Velasquez, Sourcing Journal, 9 Mar. 2026
Recent Examples of Synonyms for infiltrated
Verb
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This era of college basketball — the NIL and portal combination — has either robbed Self of his greatest strength or at least sneaked a few pennies from the community tray.—
Sam McDowell,
Kansas City Star,
2 Apr. 2026
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Long Beach and Bakersfield snuck in to the top 20 with Sacramento, taking the 16th and 17th spots respectively.—
Jason Pierce,
Sacbee.com,
1 Apr. 2026
Verb
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To keep the airway open while the dog's face heals, Peanut had a small tube inserted into his nostril.—
Moná Thomas,
PEOPLE,
3 Apr. 2026
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The Justice Department inserted itself into Peters' bid to be released while her state appeal was considered.—
Arkansas Online,
Arkansas Online,
3 Apr. 2026
Verb
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The story began on March 24, when a hiker slipped and fell from a 180-foot waterfall in wild New Zealand bush.—
Samantha Agate,
Miami Herald,
3 Apr. 2026
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And, as prices slipped below key levels like $5,000, selling pressure picked up quickly, driven less by a major change in fundamentals and more by positioning.—
Angelica Leicht,
CBS News,
3 Apr. 2026
Verb
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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
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We as a community contain (often brain-wormed) multitudes, as evidenced by this year’s plethora gay Halloween costumes.—
Abby Monteil,
Them.,
31 Oct. 2025
Verb
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IShowSpeed was in attendance at MSG and became entangled in the action when brass knuckles were introduced into the street fight.—
Andrew Ravens,
MSNBC Newsweek,
31 Mar. 2026
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Still Gone, Still Missed Hershey Swoops, introduced in 2003 and discontinued in August 2006, never quite found their audience.—
Hanna Wickes,
Miami Herald,
30 Mar. 2026
Cite this Entry
“Infiltrated.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infiltrated. Accessed 4 Apr. 2026.
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