espionage
1 synonym for espionage, grouped by meaning and by how common each one is.
Noun — The practice of spying or using spies to gather secret information, especially for a government or organization.
How to use espionage
The word patterns that sound natural to a native speaker.
Etymology
From French espionnage, from espionner, "to spy," ultimately from a Germanic root meaning "to peek" or "to watch closely" — the same root behind "spy."
Full origin of espionage →