27 entries under mole topic. ×

1
sleeper(noun, plant, agent, spy, operative)
1
sleuth(noun, plant, watch, agent, spy)
1
snoop(noun, plant, agent, spy, operative)
1
spook(noun, plant, agent, operative, informer)
1
spotter(noun, plant, watch, agent, spy)
1
watcher(noun, plant, agent, operative, informer)
0
infiltrator(noun, plant, spy, detective)
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APASmart Define. (2015). undercover agent thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/undercover_agent/thesaurus/synonyms
ChicagoSmart Define. 2015. "undercover agent thesaurus" https://smartdefine.org/undercover_agent/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, undercover agent thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/undercover_agent/thesaurus/synonyms>.
MLASmart Define. "undercover agent thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/undercover_agent/thesaurus/synonyms>