1
caller
1
confessor
1
copper
1
deceiver(source, spy, sneak, rat, impostor)
1
deep throat(expression, source, grass, sneak, informer)
1
delator
1
denouncer
1
double-crosser(source, spy, grass, sneak, informer)
1
fat mouth(expression, gossip, sneak, informer, rat)
1
gossip(noun, rat, canary, snitch, tattler)
1
hogg
1
howler
1
hypocrite(spy, impostor, renegade, turncoat, conspirator)
1
infiltrator
1
intriguer(spy, impostor, renegade, turncoat, hypocrite)
1
lowlife
1
miscreant(spy, impostor, renegade, turncoat, hypocrite)
1
peacher
1
piper
1
porker
11 years ago|3.3k views|share |citing 
APASmart Define. (2015). squealer thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/squealer/thesaurus/synonyms
ChicagoSmart Define. 2015. "squealer thesaurus" https://smartdefine.org/squealer/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, squealer thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/squealer/thesaurus/synonyms>.
MLASmart Define. "squealer thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/squealer/thesaurus/synonyms>