40 entries under agent topic. ×

1
foreign agent(noun, expression, plant, operative)
1
informer(noun, plant, operative, mole)
1
inside agent(noun, expression, plant, operative)
1
intelligencer(noun, plant, operative, informer)
1
lookout(noun, plant, operative, informer)
1
patrol(noun, plant, operative, informer)
1
picket(noun, plant, operative, informer)
1
plainclothes officer(noun, person, hound, gumshoe)
1
prosecutor(noun, person, hound, gumshoe)
1
querier(noun, person, investigate, ask)
1
scout(noun, plant, operative, informer)
1
secret agent(noun, expression, plant, operative)
1
secret service(noun, expression, plant, operative)
1
sleeper(noun, plant, operative, informer)
1
spotter(noun, plant, operative, mole)
1
undercover agent(noun, expression, plant, operative)
0
mole(noun, plant, operative, informer)
0
plant(noun, operative, informer, mole)
0
spook(noun, plant, operative, informer)
0
reporter(noun, gumshoe, dick, examiner)
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APASmart Define. (2015). investigator thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/investigator/thesaurus/synonyms
ChicagoSmart Define. 2015. "investigator thesaurus" https://smartdefine.org/investigator/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, investigator thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/investigator/thesaurus/synonyms>.
MLASmart Define. "investigator thesaurus" 17 December 2015. Web. 29 September 2026. <https://smartdefine.org/investigator/thesaurus/synonyms>