43 entries under noun topic. ×

9
spy(person, plant, radical, goad)
9
intelligence agent(radical, spy, operative, detective)
6
double agent(expression, plant, agent, spy)
6
operative(plant, agent, radical, spy)
5
informer(plant, agent, spy, operative)
4
scout(plant, agent, spy, operative)
3
mole(plant, agent, spy, operative)
3
undercover agent(expression, plant, agent, spy)
2
intelligence officer
2
agent(plant, spy, operative, mole)
2
detective(plant, agent, spy, operative)
2
espionage agent(expression, plant, agent, operative)
2
infiltrator(plant, spy, mole, detective)
2
inside man
2
plant(agent, spy, operative, mole)
2
spook(plant, agent, operative, mole)
2
spotter(plant, agent, operative, mole)
2
undercover man
1
agitator(radical, operative)
1
emissary(plant, agent, operative, mole)
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APASmart Define. (2015). secret agent thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/secret_agent/thesaurus/synonyms
ChicagoSmart Define. 2015. "secret agent thesaurus" https://smartdefine.org/secret_agent/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, secret agent thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/secret_agent/thesaurus/synonyms>.
MLASmart Define. "secret agent thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/secret_agent/thesaurus/synonyms>