53 entries under noun topic. ×

4
spy(person, plant, mole, sleeper)
3
emissary(plant, express, agent, operative)
3
informant
3
informer(plant, agent, operative, mole)
2
exponent
2
reporter
2
secret agent(expression, idiom, plant, agent)
1
agent(plant, operative, informer, mole)
1
correspondent
1
courier
1
detective(plant, agent, operative, informer)
1
double agent(expression, plant, agent, operative)
1
espionage agent(expression, plant, agent, operative)
1
foreign agent(expression, plant, agent, operative)
1
inside agent(expression, plant, agent, operative)
1
investigator(plant, agent, operative, informer)
1
lookout(plant, agent, operative, informer)
1
mole(plant, agent, operative, informer)
1
observer(plant, agent, operative, informer)
1
operative(plant, agent, mole, infiltrator)
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APASmart Define. (2013). intelligencer thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/intelligencer/thesaurus/synonyms
ChicagoSmart Define. 2013. "intelligencer thesaurus" https://smartdefine.org/intelligencer/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2013, intelligencer thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/intelligencer/thesaurus/synonyms>.
MLASmart Define. "intelligencer thesaurus" 17 June 2013. Web. 28 September 2026. <https://smartdefine.org/intelligencer/thesaurus/synonyms>