as in spies
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
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Example Sentences
Recent Examples of Synonyms for undercovers
Noun
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On the Beach, Cold War spies, and a certain fictional cat named Virtute.—
Hazlitt,
Hazlitt,
11 Mar. 2026 -
The monotone transmission recalled the manner in which deep-cover Cold War spies for the KGB and CIA once received orders.—
Richard Winton,
Los Angeles Times,
10 Mar. 2026
Noun
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Using a special encryption code, the operatives could translate the numerals into a readable message.—
Richard Winton,
Los Angeles Times,
10 Mar. 2026
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Republican operatives have pointed to Kim’s lukewarm support of the president in previous years.—
Rachel Schilke,
The Washington Examiner,
9 Mar. 2026
Noun
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Escobar also met with a detainee from Ecuador who said his arm had been broken during a violent arrest by immigration agents in Minnesota.—
Morgan Lee,
Los Angeles Times,
8 Mar. 2026
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The white phosphorus then ignites and burns intensely, destroying the agents by incinerating them – a method meant to reduce the risk of spreading the materials and to limit potential harm to civilians and the surrounding environment.—
Bojan Stojkovski,
Interesting Engineering,
8 Mar. 2026
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Cite this Entry
“Undercovers.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undercovers. Accessed 14 Mar. 2026.
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