27 entries under plant topic. ×

1
secret service(noun, expression, agent, operative)
1
sleeper(noun, agent, operative, informer)
1
spotter(noun, agent, operative, mole)
1
undercover agent(noun, expression, agent, operative)
0
mole(noun, agent, operative, informer)
0
spook(noun, agent, operative, informer)
0
infiltrator(noun, mole)
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APASmart Define. (2015). investigator thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/investigator/thesaurus/synonyms
ChicagoSmart Define. 2015. "investigator thesaurus" https://smartdefine.org/investigator/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, investigator thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/investigator/thesaurus/synonyms>.
MLASmart Define. "investigator thesaurus" 17 December 2015. Web. 1 October 2026. <https://smartdefine.org/investigator/thesaurus/synonyms>