48 entries under informer topic. ×

12
spy(noun, person, plant, opposition, investigate)
5
spook(noun, plant, informal, investigate, operative)
4
mole(noun, plant, warning, spy, operative)
2
fed(spy, reporter, gumshoe, investigator)
2
plant(noun, spy, operative, mole)
2
prosecutor(noun, opposition, villain, rebel, spy)
1
Sherlock Holmes(expression, spy, hound, police)
1
analyst(noun, spy, hound, police)
1
bird dog(expression, spy, reporter, gumshoe)
1
bloodhound(spy, reporter, gumshoe, investigator)
1
bull(spy, reporter, gumshoe, investigator)
1
cop(spy, reporter, gumshoe, investigator)
1
dick(spy, reporter, gumshoe, investigator)
1
eavesdropper(spy, reporter, gumshoe, investigator)
1
espionage agent(noun, expression, plant, operative)
1
eye(spy, reporter, gumshoe, investigator)
1
fink(spy, reporter, gumshoe, investigator)
1
flatfoot(spy, reporter, gumshoe, investigator)
1
foreign agent(noun, expression, plant, operative)
1
gumshoe(spy, hound, police, reporter)
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APASmart Define. (2016). agent thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/agent/thesaurus/synonyms
ChicagoSmart Define. 2016. "agent thesaurus" https://smartdefine.org/agent/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, agent thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/agent/thesaurus/synonyms>.
MLASmart Define. "agent thesaurus" 1 March 2016. Web. 23 September 2026. <https://smartdefine.org/agent/thesaurus/synonyms>