39 entries under informer topic. ×

1
constable(noun, agent, spy, reporter)
1
fink(agent, spy, reporter, gumshoe)
1
flatfoot(noun, agent, spy, reporter)
1
intelligencer(noun, plant, agent, operative)
1
nark(agent, spy, reporter, gumshoe)
1
observer(noun, plant, agent, spy, operative)
1
peeper(noun, agent, spy, reporter)
1
plainclothes officer(expression, agent, spy, hound)
1
plant(noun, agent, operative, mole)
1
police officer(noun, expression, agent, spy)
1
prosecutor(agent, spy, hound, reporter)
1
reporter(agent, spy, gumshoe, investigator)
1
roper(agent, spy, reporter, gumshoe)
1
sergeant(agent, spy, reporter, gumshoe)
1
shoofly(agent, spy, reporter, gumshoe)
1
sleeper(noun, plant, agent, operative)
1
slewfoot(agent, spy, reporter, gumshoe)
1
spook(noun, plant, agent, spy, operative)
1
watcher(noun, plant, agent, operative)
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APASmart Define. (2015). sleuth thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sleuth/thesaurus/synonyms
ChicagoSmart Define. 2015. "sleuth thesaurus" https://smartdefine.org/sleuth/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, sleuth thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sleuth/thesaurus/synonyms>.
MLASmart Define. "sleuth thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/sleuth/thesaurus/synonyms>