86 entries under noun topic. ×

1
constable(agent, spy, informer, reporter)
1
cop(agent, spy, informer, reporter)
1
double agent(expression, plant, agent, spy)
1
emissary(plant, agent, operative, mole)
1
espionage agent(expression, plant, agent, operative)
1
eye(verb, look, agent, scrutinize)
1
ferret(person, spy, sneak, vacationist)
1
fly on the wall
1
foreign agent(expression, plant, agent, operative)
1
gossipmonger
1
inside agent(expression, plant, agent, operative)
1
intelligencer(plant, agent, operative, informer)
1
lookout(plant, agent, operative, informer)
1
mole(plant, agent, spy, operative)
1
observer(plant, agent, spy, operative)
1
operative(plant, agent, spy, mole)
1
patrol(plant, agent, operative, informer)
1
peeping Tom
1
picket(plant, agent, operative, informer)
1
plant(agent, operative, informer, mole)
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APASmart Define. (2015). snoop thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/snoop/thesaurus/synonyms
ChicagoSmart Define. 2015. "snoop thesaurus" https://smartdefine.org/snoop/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, snoop thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/snoop/thesaurus/synonyms>.
MLASmart Define. "snoop thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/snoop/thesaurus/synonyms>