2
squeal(verb, phrasal verb, law, knowledge, slang)
2
blow the whistle(verb, expression, idiom, law, turn)
2
apostatize(verb, reject, dismiss, withdraw, abandon)
2
spill the beans(verb, expression, idiom, report, expose)
2
louse(noun, person, immoral, sly, creep)
2
tattletale(noun, law, person, knowledge, source)
2
cat's prey(expression, animal, target, prey, quarry)
2
changeling(noun, person, behavior, traitor, betrayer)
1
blighter(noun, adjective, nothingness, zero, nonentity)
1
quisling(noun, person, behavior, traitor, betrayer)
1
stiff(adjective, nothingness, zero, nonentity)
1
scumbag(noun, person, individual, boor, blighter)
1
traditor(noun, person, behavior, traitor, betrayer)
1
dormouse
1
double agent
1
eland
1
eyra
1
fall
1
fallow deer
1
false hair
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APASmart Define. (2015). rat thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/rat/thesaurus/synonyms
ChicagoSmart Define. 2015. "rat thesaurus" https://smartdefine.org/rat/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, rat thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/rat/thesaurus/synonyms>.
MLASmart Define. "rat thesaurus" 21 April 2015. Web. 21 September 2026. <https://smartdefine.org/rat/thesaurus/synonyms>