27 entries under mole topic. ×

1
secret agent(noun, expression, plant, agent, operative)
1
secret service(noun, expression, plant, agent, operative)
1
sleeper(noun, plant, agent, operative, informer)
1
spook(noun, plant, agent, spy, operative)
1
undercover agent(noun, expression, plant, watch, agent)
1
watcher(noun, plant, agent, operative, informer)
0
infiltrator(noun, plant)
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APASmart Define. (2015). sleuth thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sleuth/thesaurus/synonyms
ChicagoSmart Define. 2015. "sleuth thesaurus" https://smartdefine.org/sleuth/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, sleuth thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sleuth/thesaurus/synonyms>.
MLASmart Define. "sleuth thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/sleuth/thesaurus/synonyms>