as in undercover
undertaken or done so as to escape being observed or known by others
I took a clandestine peek at the price tag on the diamond necklace
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Example Sentences
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Recent Examples of clandestine
Nicknamed Zvezdny Gorodok, or Star City/Starry Town, this clandestine base of operations was built beside the Tsiolkovskaya railway station served by the Yaroslavl Railroad.
—
Jeff Spry,
Space.com,
27 May 2026
But in the current political climate, clandestine behaviors could win out.
—
Robin George Andrews,
Scientific American,
19 May 2026
These relations are not based on secrecy or clandestine arrangements.
—
Emma Bussey,
FOXNews.com,
17 May 2026
The clandestine nature of Nafisi’s gatherings evokes an ever-present peril.
—
The Atlantic,
14 May 2026
See All Example Sentences for clandestine
Jeff Spry,
Space.com,
27 May 2026
But in the current political climate, clandestine behaviors could win out.
—
Robin George Andrews,
Scientific American,
19 May 2026
These relations are not based on secrecy or clandestine arrangements.
—
Emma Bussey,
FOXNews.com,
17 May 2026
The clandestine nature of Nafisi’s gatherings evokes an ever-present peril.
—
The Atlantic,
14 May 2026
See All Example Sentences for clandestine
Recent Examples of Synonyms for clandestine
Adjective
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According to his plea agreement with prosecutors, Doyle sold a Glock pistol to an undercover informant on May 20, 2025 — part of a series of transactions on Chicago’s South Side that led to his arrest on July 7, 2025, a few days after the shooting at his daughter’s party.
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Whether openly or undercover, MSV doesn’t just fail shareholders.
Adjective
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After 1996, when the protease inhibitors were developed, the duty to warn continued to be an important standard when HIV status became more clinically covert.
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Authorities say the rogue drone operation led out of a former daycare in Georgia was a staging ground where multiple drones were launched on covert missions to deliver the contraband by air to 10 federal prisons at night.
Adjective
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In the 1971 technothriller The Andromeda Strain, identifying an unknown microbe took a team of scientists and a secret state-of-the-art underground research facility.
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There are more than 1,000 corroding, rusty underground storage tanks leaking gasoline into Miami-Dade County’s groundwater, and 6,000 across the state of Florida.
Adjective
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Get Ready: Katy Perry Has Released a Sneak Peek of Her New Song And the internet has receipts.
Adjective
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Rodríguez also said the country’s entire public and private healthcare network had been activated to treat the injured, urging doctors, nurses and other medical personnel to report immediately to their workplaces.
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Delta Air Lines is metro Atlanta's largest private employer.
Adjective
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These cybercriminals are like the Hollywood movie character Jason Bourne, a highly surreptitious operative who avoids detection through diversion, disguises, deflecting and blending into the environment.
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Related Stories Known to be a rebellious royal and a surreptitious anti-fascist, Maria José then moved to Portugal and soon left her husband.
Cite this Entry
“Clandestine.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/clandestine. Accessed 30 Jun. 2026.
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