40 entries under rat topic. ×

5
taleteller(noun, gossip, canary, tattle)
4
double-crosser(noun, source, spy, grass, sneak)
4
prosecutor(noun, opposition, agent, villain, rebel)
4
ratfink(noun, gossip, sneak, reporter)
4
snitcher(noun, law, person, knowledge, slang)
4
tipster(noun, law, person, knowledge, informal)
4
turncoat(noun, source, spy, grass, sneak)
3
gossip(noun, person, canary, tattle)
3
plant(noun, source, agent, spy, operative)
2
whistle-blower(source, spy, grass, sneak, rascal)
2
Benedict Arnold(noun, expression, spy, turncoat)
2
busybody(gossip, canary, tattle, tattler)
2
narc(noun, source, grass, sneak, decoy)
2
scandalmonger(noun, gossip, canary, tattle)
1
deep throat(noun, expression, source, grass, sneak)
1
fat mouth(noun, expression, gossip, sneak, reporter)
1
rumormonger(noun, gossip, canary, tattle)
1
tabby(noun, gossip, canary, tattle)
0
backstabber(rascal, scoundrel, swine)
0
indicter
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APASmart Define. (2015). informer thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/informer/thesaurus/synonyms
ChicagoSmart Define. 2015. "informer thesaurus" https://smartdefine.org/informer/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, informer thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/informer/thesaurus/synonyms>.
MLASmart Define. "informer thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/informer/thesaurus/synonyms>