Counterspy
Counterspy noun - A spy who works against enemy espionage.
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Synonyms for Counterspy
Undercover and counterspy are semantically related. In some cases you can use "Undercover" instead a noun "Counterspy".
Undercover
Undercover noun - A person who tries secretly to obtain information for one country in the territory of another usually unfriendly country.
Usage example: 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
Counterspy and undercover are semantically related. Sometimes you can use "Counterspy" instead a noun "Undercover".
Cite this Source
Undercover and Counterspy. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/counterspy/undercover
Counterspy & Undercover. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/counterspy/undercover>.
Undercover or Counterspy. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/counterspy/undercover.
Google Ngram Viewer shows how "counterspy" and "undercover" have occurred on timeline