Synonyms|106Antonyms|0|Broader|2Narrower|4Related|38

15 entries under spying topic. ×

11
intelligence
9
espial(noun, surveillance, snooping)
8
reconnaissance(noun, inspection, inquiry)
6
surveillance(noun, intelligence, inspection, snooping)
4
undercover work(noun, expression, idiom, spy, sleeper)
3
watching
2
secret service
2
bugging
1
shadowing
1
tailing
0
industrial espionage
0
intelligence gathering(noun, expression)
0
phone tapping(noun, expression)
0
undercover operations
0
underground activities
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APASmart Define. (2015). espionage thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/espionage/thesaurus/synonyms
ChicagoSmart Define. 2015. "espionage thesaurus" https://smartdefine.org/espionage/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, espionage thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/espionage/thesaurus/synonyms>.
MLASmart Define. "espionage thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/espionage/thesaurus/synonyms>