20
treachery(noun, plan, continue, fake, cheat)
16
falseness(noun, continue, fake, deception, doubt)
16
perfidiousness(noun, continue, fake, deception, doubt)
16
treason(noun, plan, fake, deception, doubt)
15
betrayal(noun, fake, deception, doubt, escape)
15
faithlessness(noun, continue, fake, deception, doubt)
14
disloyalty(noun, plan, continue, deception, doubt)
13
deceit(noun, cheat, deception, ripoff, dishonesty)
12
infidelity(noun, continue, fake, deception, doubt)
11
falsity(noun, continue, deception, doubt, trust)
11
unfaithfulness(noun, continue, deception, doubt, trust)
11
treacherousness(noun, plan, continue, fake, cheat)
10
duplicity(noun, fake, deception, dishonesty, treachery)
10
traitorousness(noun, continue, deception, doubt, trust)
8
dishonesty(noun, cheat, deception, doubt, ripoff)
8
double-dealing(noun, fake, deception, dishonesty, treachery)
6
corruption(noun, fake, dishonesty, treachery, fraud)
6
disaffection(noun, fake, deception, escape, retreat)
6
sellout(noun, fake, deception, dishonesty, treachery)
5
business(cheat, ripoff, treachery)
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APASmart Define. (2015). perfidy thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/perfidy/thesaurus/synonyms
ChicagoSmart Define. 2015. "perfidy thesaurus" https://smartdefine.org/perfidy/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, perfidy thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/perfidy/thesaurus/synonyms>.
MLASmart Define. "perfidy thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/perfidy/thesaurus/synonyms>