27 entries under infiltrator topic. ×

1
sleeper(noun, plant, agent, spy, operative)
1
sleuth(noun, plant, agent, operative, informer)
1
snoop(noun, plant, agent, operative, informer)
1
spook(noun, plant, agent, operative, informer)
1
spotter(noun, plant, agent, spy, operative)
1
undercover agent(noun, expression, plant, agent, operative)
1
watcher(noun, plant, agent, operative, informer)
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APASmart Define. (2013). intelligencer thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/intelligencer/thesaurus/synonyms
ChicagoSmart Define. 2013. "intelligencer thesaurus" https://smartdefine.org/intelligencer/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2013, intelligencer thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/intelligencer/thesaurus/synonyms>.
MLASmart Define. "intelligencer thesaurus" 17 June 2013. Web. 30 September 2026. <https://smartdefine.org/intelligencer/thesaurus/synonyms>