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
-
Despite the summer heat, the windows were often closed to keep out horseflies and the long ears of loyalist spies, so the air inside was stifling and pungent.—
Literary Hub,
Literary Hub,
13 May 2026 -
According to the ministry, foreign spies are infiltrating everything from mapping apps to weather stations.—
Sylvie Zhuang,
CNN Money,
7 May 2026
Noun
-
There are few places on Earth where the Israeli intelligence operatives know more about than the internal dynamics of Iran.—
CBS News,
CBS News,
10 May 2026
-
The arrest of two Israeli air force personnel on allegations of espionage has underscored Iran’s expanding efforts to penetrate Israel’s military by recruiting operatives from within.—
Amelie Botbol,
FOXNews.com,
8 May 2026
Noun
-
The company specializes in using advanced artificial intelligence, including specialized agents and Large Language Models, to automate contract authoring, negotiation, and risk management.—
AllBusiness,
Forbes.com,
16 May 2026
-
What the agents can’t do in many fields is make judgment calls using the insight that comes from on-the-job experience, according to labor experts.—
Victor Swezey,
Fortune,
16 May 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 18 May. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
