1
barratry
1
betrayal of trust(noun, expression, idiom, treachery, falseness)
1
breach of trust(noun, expression, idiom, treachery, falseness)
1
breaking of faith(noun, expression, idiom, treachery, falseness)
1
bribery
1
bunco(noun, fake, dishonesty, treachery, dodge)
1
bunk(noun, dishonesty, treachery, fraud, deceit)
1
cheating(noun, deception, dishonesty, treachery, fraud)
1
chicane(noun, dishonesty, treachery, cunning, fraud)
1
chicanery(noun, deception, dishonesty, treachery, fraud)
1
conspiracy
1
craft(noun, treachery, fraud, deceit, lying)
1
craftiness(dishonesty, falseness, falsity, crookedness, deviousness)
1
criminality(noun, dishonesty, treachery, fraud, deceit)
1
crookedness(noun, dishonesty, treachery, cunning, fraud)
1
deceitfulness(noun, deception, dishonesty, treachery, deceit)
1
deserted
1
deviousness(dishonesty, falseness, falsity, crookedness, craftiness)
1
dirty dealing(noun, expression, fake, deception, dishonesty)
1
dirty pool(noun, expression, fake, deception, division)
11 years ago|2.8k views|share |citing 
APASmart Define. (2015). perfidiousness thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/perfidiousness/thesaurus/synonyms
ChicagoSmart Define. 2015. "perfidiousness thesaurus" https://smartdefine.org/perfidiousness/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, perfidiousness thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/perfidiousness/thesaurus/synonyms>.
MLASmart Define. "perfidiousness thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/perfidiousness/thesaurus/synonyms>