16 entries under informer topic. ×

15
betrayer(noun, source, spy, sneak)
11
rat(noun, informal, approach, source, sneak)
7
double-crosser(noun, source, spy, sneak)
6
spy(noun, grass, decoy, rat)
2
fink(noun, source, spy, grass, sneak)
2
sneak(noun, informal, source, spy, grass)
2
snitch(noun, source, spy, grass, sneak)
2
squealer(noun, source, spy, grass, sneak)
2
stool pigeon(noun, expression, source, spy, sneak)
1
backstabber(rascal, rat, scoundrel, swine)
1
narc(source, grass, sneak, decoy)
1
nark(source, grass, sneak, decoy)
1
snitcher(source, spy, grass, sneak, decoy)
1
tattletale(noun, source, spy, grass, sneak)
1
whistle-blower(noun, source, spy, grass, sneak)
0
deceiver(noun, source, spy, sneak)
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APASmart Define. (2015). turncoat thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/turncoat/thesaurus/synonyms
ChicagoSmart Define. 2015. "turncoat thesaurus" https://smartdefine.org/turncoat/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, turncoat thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/turncoat/thesaurus/synonyms>.
MLASmart Define. "turncoat thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/turncoat/thesaurus/synonyms>