42 entries under informer topic. ×

3
secret agent
3
shill
3
whistle-blower(noun, source, spy, grass, sneak)
2
agent provocateur
2
deep throat(noun, expression, source, grass, sneak)
2
source(noun, grass, sneak, decoy)
2
telltale(gossip, sneak, rat, canary)
2
turncoat(noun, source, spy, grass, sneak)
1
Benedict Arnold(noun, expression, spy, rat)
1
deceiver(source, spy, sneak, rat)
1
double-crosser(noun, source, spy, grass, sneak)
1
grass(gossip, sneak, decoy, informant)
1
infiltrator
1
police informer
1
snake(spy, sneak, rat, impostor)
1
traitor(noun, person, spy, rascal)
0
backstabber(rascal, rat, scoundrel, swine)
0
mole(sneak, informant, squealer, stoolie)
0
rat fink
0
snout(sneak, spokesperson, stoolie)
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APASmart Define. (2015). stool pigeon thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/stool_pigeon/thesaurus/synonyms
ChicagoSmart Define. 2015. "stool pigeon thesaurus" https://smartdefine.org/stool_pigeon/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, stool pigeon thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/stool_pigeon/thesaurus/synonyms>.
MLASmart Define. "stool pigeon thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/stool_pigeon/thesaurus/synonyms>