48 entries under informer topic. ×

1
sleeper(noun, plant, operative, mole)
1
sleuth(noun, plant, spy, operative)
1
slewfoot(spy, reporter, gumshoe, investigator)
1
snoop(noun, plant, spy, operative)
1
spotter(noun, plant, operative, mole)
1
tail(spy, reporter, gumshoe, investigator)
1
watcher(noun, plant, operative, mole)
0
constable(noun, spy, reporter, gumshoe)
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APASmart Define. (2016). agent thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/agent/thesaurus/synonyms
ChicagoSmart Define. 2016. "agent thesaurus" https://smartdefine.org/agent/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, agent thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/agent/thesaurus/synonyms>.
MLASmart Define. "agent thesaurus" 1 March 2016. Web. 25 September 2026. <https://smartdefine.org/agent/thesaurus/synonyms>