27 entries under infiltrator topic. ×

1
sleeper(noun, plant, agent, operative, mole)
1
sleuth(noun, plant, watch, agent, spy)
1
snoop(noun, plant, agent, operative, mole)
1
spook(noun, plant, agent, operative, mole)
1
spotter(noun, plant, watch, agent, spy)
1
watcher(noun, plant, agent, operative, mole)
0
undercover agent(noun, expression, idiom, plant, watch)
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APASmart Define. (2015). emissary thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/emissary/thesaurus/synonyms
ChicagoSmart Define. 2015. "emissary thesaurus" https://smartdefine.org/emissary/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, emissary thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/emissary/thesaurus/synonyms>.
MLASmart Define. "emissary thesaurus" 13 April 2015. Web. 1 October 2026. <https://smartdefine.org/emissary/thesaurus/synonyms>