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
Relevance
Example Sentences
Recent Examples of Synonyms for undercovers
Noun
-
Big tech and corporate spies Grady’s stewardship of state money has been questioned in the past.—
Shirsho Dasgupta,
Miami Herald,
18 June 2026 -
Kaarsbo—who had spent fifteen years working alongside Americans in Iraq and Afghanistan—was not too concerned about professional spies.—
Ben Taub,
New Yorker,
15 June 2026
Noun
-
That is until their husbands are killed under mysterious circumstances in the USSR, and the pair become CIA operatives.—
Joe Otterson,
Variety,
23 June 2026
-
The eight defendants, described by federal prosecutors as antifa operatives, were convicted after three weeks of trial and less than two days of jury deliberation in March.—
Rachel Royster,
Fort Worth Star-Telegram,
23 June 2026
Noun
-
Federal drug agents are trying to stop the FIFA World Cup from becoming a cash cow for drug dealers who hope to profit from the millions of domestic and international visitors headed to North Texas.—
Marvin Hurst,
CBS News,
20 June 2026
-
Last year, amid a federal deportation surge, ICE agents there tackled protesters and made numerous arrests.—
E. Tammy Kim,
New Yorker,
20 June 2026
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Cite this Entry
“Undercovers.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undercovers. Accessed 24 Jun. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
