Definition of espionagenext
as in spying
the secret gathering of information on others the acts of espionage on behalf of the Confederacy carried on by Belle Boyd and Rose Greenhow

Synonyms & Similar Words

Relevance

Example Sentences

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.
Recent Examples of espionage Google similarly detected recent attempts by actors linked to China, Russia, North Korea and Iran to use its Gemini AI model to carry out hacking, disinformation, espionage and criminal operations. — Stephen Collins, The Conversation, 25 Sep. 2026 Kao is widely regarded within Indian intelligence circles as a formative figure in the country’s espionage apparatus, with successive R&AW chiefs having credited his strategic approach. — Naman Ramachandran, Variety, 21 Sep. 2026 Lioness has always been a mess of contradictory political signifiers and anachronistic pop-cultural touchpoints, amounting to a 20th-century-style espionage adventure wrapped in 21st-century military-industrial dystopia. — Andy Andersen, Vulture, 20 Sep. 2026 Five categories of spies are described, and espionage is treated as essential to providing rulers and commanders with the foreknowledge needed to make informed strategic decisions. — Ethan Teekah, Encyclopedia Britannica, 11 Sep. 2026 See All Example Sentences for espionage
Recent Examples of Synonyms for espionage
spying
Noun
  • Some requests were for DeepSeek’s technology, a finding that bolsters assertions from Congress that the company is in bed with the CCP’s military and spying apparatus.
    — Hudson Crozier, The Washington Examiner, 3 Oct. 2026
  • Twelve years after the Central Intelligence Agency initially rejected its publication, a scathing book skewers a top-secret spying program.
    — Zach Dorfman, Washington Post, 27 Sep. 2026

Browse Nearby Words

Cite this Entry

“Espionage.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/espionage. Accessed 9 Oct. 2026.

More from Merriam-Webster on espionage

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!