0
detection
0
detective
0
domiciliary
0
domiciliary visit(expression, idiom, inquiry)
0
eavesdropping
0
espionage activity(expression, idiom)
0
espionage agent(noun, expression, spy, sleeper)
0
espionnage
0
espy
0
gamble
0
guesswork
0
hypothesis
0
industrial espionage(expression, spying)
0
infiltration
0
information
0
intellect
0
intelligence agent(expression, idiom)
0
intelligence gathering(noun, expression, spying)
0
intelligence officer(expression, idiom)
0
lantern
11 years ago|2.4k views|share |citing 
APASmart Define. (2015). espionage thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/espionage/thesaurus/synonyms
ChicagoSmart Define. 2015. "espionage thesaurus" https://smartdefine.org/espionage/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, espionage thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/espionage/thesaurus/synonyms>.
MLASmart Define. "espionage thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/espionage/thesaurus/synonyms>