1
as in clandestine
undertaken or done so as to escape being observed or known by others
an undercover operation to infiltrate the terrorist organization
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
as in spy
a person who tries secretly to obtain information for one country in the territory of another usually unfriendly country
within the city was a well-organized fifth column, and these undercovers would make themselves known as soon as the invading forces breached the city limits
Synonyms & Similar Words
as in underground
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of undercover
Skyler Trepel, EW.com, 16 Feb. 2025
Investigators said that before he was arrested, Tabler called the Bell County Sheriff's office to taunt deputies about the murders and threatened to kill more employees and undercover law enforcement at the strip club.
—CBS News, 13 Feb. 2025
Jessica Radloff, Glamour, 8 Sep. 2023
The documentary is a first time collaboration between ABC News Studios and the Associated Press following a former Army sniper undercover inside the KKK.
—ABC News, 30 Apr. 2023
See All Example Sentences for undercover
Adjective
Kristin Scott Thomas had a brief appearance as Sarah Davies, an undercover IMF agent posing as the Washington visitor liaison.
—Skyler Trepel, EW.com, 16 Feb. 2025
Investigators said that before he was arrested, Tabler called the Bell County Sheriff's office to taunt deputies about the murders and threatened to kill more employees and undercover law enforcement at the strip club.
—CBS News, 13 Feb. 2025
Noun
Back at the hospital Jack tells Brady that working undercover took a lot of courage.
—Jessica Radloff, Glamour, 8 Sep. 2023
The documentary is a first time collaboration between ABC News Studios and the Associated Press following a former Army sniper undercover inside the KKK.
—ABC News, 30 Apr. 2023
See All Example Sentences for undercover
Recent Examples of Synonyms for undercover
Adjective
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The criminal charges also allege Navarro and Worden ensured that no invoice related to the clandestine construction surpassed $3,000, a threshold that would have required further authorization from Caltrain and TransAmerica Services Inc., the company that employed Worden.—
Robert Salonga,
The Mercury News,
28 Feb. 2025
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Information in federal systems includes Treasury payments that could be used to figure out the details of intelligence programs or health and personnel records that could reveal the identities of agents or the responsibilities of clandestine officers.—
DAVID KLEPPER THE ASSOCIATED PRESS,
arkansasonline.com,
28 Feb. 2025
Adjective
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Ralph Fiennes, Stanley Tucci, John Lithgow, Sergio Castellitto and Isabella Rossellini star in Conclave in which Cardinal Thomas Lawrence (Fiennes) is tasked with running this covert process after the unexpected death of the beloved Pope.—
Denise Petski,
Deadline,
2 Mar. 2025
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In covert gatherings across California, raw goat or cow milk is mixed with cane alcohol and sugars to make pajaretes.—
Ryan Fonseca,
Los Angeles Times,
26 Feb. 2025
Noun
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Perhaps married spies, like the ones in Steven Soderbergh’s silky spy caper Black Bag, have the answer.—
Stephanie Zacharek,
TIME,
6 Mar. 2025
-
At the Four Seasons Koh Samui, a five-star hotel overlooking the Gulf of Thailand, staff study guests like spies watching their marks.—
Sangeeta Singh-Kurtz,
Vulture,
4 Mar. 2025
Adverb
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The entire operation runs almost solely on paper, each retirement file hand-processed by hundreds of workers in a limestone mine 230 feet underground who ferry pieces of paper between the caverns to put them in the right manila folder.—
Zeynep Tufekci,
The Mercury News,
25 Feb. 2025
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At one point when working in the field, Groat and his team discovered an object buried underground.—
Carolyn Stein,
Chicago Tribune,
21 Feb. 2025
Adjective
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The quirky structure is sandwiched among three gum trees and features a secret door, indoor bar, tiki torches, hammock, and rope-and-pulley system for hoisting up supplies.—
Clara Harter,
Los Angeles Times,
28 Feb. 2025
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If the secret aim of Train to Busan was to leave a calling card, this will certainly impress backers with bigger budgets.—
Mia Galuppo,
The Hollywood Reporter,
28 Feb. 2025
Noun
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So the big reveal on the Epstein Files is that SOME of them were given to a group of right-wing social media operatives?—
Dan Perry,
Newsweek,
28 Feb. 2025
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After being asked by the FBI employee, Pang also agreed to provide two US military uniforms for operatives to wear inside the base during the attack, and a cell phone that could be used as a test for a detonator, court documents say.—
Dalia Faheid,
CNN,
28 Feb. 2025
Adjective
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This private survey reading on Monday followed the official manufacturing PMI released on Saturday, which also showed that China’s February factory activity expanded at its fastest pace since November.—
Anniek Bao,
CNBC,
3 Mar. 2025
-
There was going to be a private lunch with 16 of us.—
CBS News,
CBS News,
2 Mar. 2025
Noun
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Caro Quintero was released when a court overturned his 40-year sentence for the 1985 kidnapping and killing of DEA agent Camarena.—
Greg Wehner,
Fox News,
28 Feb. 2025
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The former leader of a Mexican cartel, thought responsible for the 1985 death of a Drug Enforcement Administration (DEA) agent in the 1980s, was among 29 defendants extradited to the United States Thursday.—
Dan Perry,
Newsweek,
28 Feb. 2025
Cite this Entry
“Undercover.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undercover. Accessed 13 Mar. 2025.
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