27 entries under plant topic. ×

1
spook(noun, agent, operative, informer)
1
spotter(noun, watch, guard, agent)
1
undercover agent(noun, expression, watch, agent)
1
watcher(noun, watch, guard, agent)
0
double agent(noun, expression, agent, operative)
0
espionage agent(noun, expression, agent, operative)
0
infiltrator(noun, spy, mole)
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APASmart Define. (2015). detective thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/detective/thesaurus/synonyms
ChicagoSmart Define. 2015. "detective thesaurus" https://smartdefine.org/detective/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, detective thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/detective/thesaurus/synonyms>.
MLASmart Define. "detective thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/detective/thesaurus/synonyms>