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
-
The District of Columbia's most affluent suburb is McLean, home to diplomats and spies.
-
Big tech and corporate spies Grady’s stewardship of state money has been questioned in the past.
Noun
-
That is until their husbands are killed under mysterious circumstances in the USSR, and the pair become CIA operatives.
-
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.
Noun
-
Before choosing a whitening method, check the care label for guidance on water temperature, safe cleaning agents, and recommended drying methods.
-
When your workforce includes full-time employees, fractional specialists and AI agents, culture becomes about how work gets done, not who does it.
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 1 Jul. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
