espionage

espionage

noun

Definition of ESPIONAGE

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 spying

Related Words counterespionage, counterintelligence, intelligence; cloak-and-dagger; tradecraft; observation, reconnaissance, surveillance; bugging, eavesdropping, wiretapping; dope, goods, lowdown