2
separatist(resistance, rebel, opponent, recreant, insurgent)
2
serpent
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)
2
treacherous(adjective, dishonest)
2
two-timer(noun, spy, impostor, renegade, traitor)
1
agitator(insurgent, protester, rioter, objector, separatist)
1
anarchist(resistance, rebel, recreant, insurgent, protester)
1
antagonist(resistance, rebel, opponent, recreant, insurgent)
1
archtraitor
1
back-stabber(noun, spy, impostor, renegade, traitor)
1
backstabber(informer, rascal, rat, scoundrel, swine)
1
betraying
1
bolter
1
cheating(adjective, dishonest)
1
cockatrice
1
collaborationist
1
conniver
11 years ago|5.2k views|share |citing 
APASmart Define. (2015). turncoat thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/turncoat/thesaurus/synonyms
ChicagoSmart Define. 2015. "turncoat thesaurus" https://smartdefine.org/turncoat/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, turncoat thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/turncoat/thesaurus/synonyms>.
MLASmart Define. "turncoat thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/turncoat/thesaurus/synonyms>