Synonyms of espionage in English:

espionage


See definition of espionage

noun

1‘the shadowy world of espionage’

SYNONYMS

spying, undercover work, cloak-and-dagger activities, surveillance, reconnaissance, intelligence, eavesdropping, infiltration, cyberespionage, counter-espionage, counter-intelligence

ninjutsu

informal bugging, wiretapping, recon