113 entries under noun topic. ×

2
corruption(fake, dishonesty, treachery, fraud)
2
cunning(deception, dishonesty, treachery, fraud)
2
deception(division, dishonesty, deceit, falseness)
2
false-heartedness(continue, doubt, trust, dishonesty)
2
falsehood(deception, dishonesty, treachery, fraud)
2
flimflam(fake, dishonesty, treachery, fraud)
2
fraud(deception, doubt, dishonesty, treachery)
2
fraudulence(deception, dishonesty, treachery, fraud)
2
graft(dishonesty, treachery, cunning, fraud)
2
hypocrisy(deception, division, dishonesty, deceit)
2
insidiousness(dishonesty, treachery, fraud, deceit)
2
knavery
2
mendacity(deception, dishonesty, treachery, fraud)
2
sharp practice(expression, idiom, dishonesty, treachery)
2
treacherousness(continue, fake, deception, doubt)
1
apostasy(treachery, falseness, infidelity, unfaithfulness)
1
artifice(deception, dishonesty, treachery, fraud)
1
bad faith(expression, treachery, duplicity, falseness)
1
betrayal of trust(expression, idiom, treachery, falseness)
1
breach of trust(expression, idiom, treachery, falseness)
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APASmart Define. (2015). perfidiousness thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/perfidiousness/thesaurus/synonyms
ChicagoSmart Define. 2015. "perfidiousness thesaurus" https://smartdefine.org/perfidiousness/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, perfidiousness thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/perfidiousness/thesaurus/synonyms>.
MLASmart Define. "perfidiousness thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/perfidiousness/thesaurus/synonyms>