10
traitor(noun, person, spy, turncoat, conspirator)
9
betrayer(noun, spy, turncoat, conspirator)
8
double-dealer
6
double-crosser(noun, spy, impostor, renegade, turncoat)
4
quisling(noun, spy, impostor, renegade, turncoat)
2
Judas(noun, spy, impostor, renegade, turncoat)
2
deceiver(fraud, phony, spy, crook, trickster)
2
desperado
2
hypocrite(noun, person, fraud, spy, impostor)
2
turncoat(noun, spy, impostor, renegade, traitor)
1
Benedict Arnold(noun, expression, spy, impostor, renegade)
1
apostate(spy, impostor, renegade, turncoat, hypocrite)
1
attitudinizer(fraud, phony, crook, trickster, charlatan)
1
back-stabber(spy, impostor, renegade, turncoat, hypocrite)
1
backslider(fraud, phony, spy, crook, trickster)
1
bigot
1
blackleg
1
casuist(fraud, phony, crook, trickster, charlatan)
1
cheat
1
cheater
11 years ago|828 views|share |citing 
APASmart Define. (2015). two-timer thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/two-timer/thesaurus/synonyms
ChicagoSmart Define. 2015. "two-timer thesaurus" https://smartdefine.org/two-timer/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, two-timer thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/two-timer/thesaurus/synonyms>.
MLASmart Define. "two-timer thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/two-timer/thesaurus/synonyms>