2
stakeout(bug, scrutiny, investigation, monitor, tap)
2
watch(bug, scrutiny, investigation, monitor, tap)
2
wiretap(bug, scrutiny, investigation, monitor, tap)
2
wiretapping(watching, meddling, voyeurism)
1
beholding(verb, seeing)
1
betraying
1
blemishing
1
blotting
1
body mike(expression, bug, scrutiny, investigation, monitor)
1
bug(scrutiny, investigation, monitor, tap, shadowing)
1
catching sight of(verb, adjective, catching, spotting, detecting)
1
cloak-and-dagger work
1
close observation(expression, bug, scrutiny, investigation, monitor)
1
counterespionage
1
counterintelligence
1
denouncing
1
detect
1
direction(bug, scrutiny, investigation, monitor, tap)
1
discover
1
discovery
11 years ago|3.6k views|share |citing 
APASmart Define. (2015). spying thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/spying/thesaurus/synonyms
ChicagoSmart Define. 2015. "spying thesaurus" https://smartdefine.org/spying/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, spying thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/spying/thesaurus/synonyms>.
MLASmart Define. "spying thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/spying/thesaurus/synonyms>