12
dishonesty(noun, evil, honest, dishonesty, deceit)
7
corruption(noun, evil, honest, dishonesty, treachery)
5
crookedness(noun, honest, informal, dishonesty, treachery)
5
deceitfulness(noun, dishonesty, deceit, lying, duplicity)
5
faithlessness(noun, dishonesty, treachery, fraud, deceit)
5
fraudulence(noun, dishonesty, treachery, fraud, deceit)
4
immorality(noun, evil, dishonesty, corruption, wickedness)
4
treachery(noun, dishonesty, fraud, deceit, lying)
3
atrocity(noun, evil, corruption, degradation, vice)
3
bad faith(noun, expression, idiom, disloyalty, infidelity)
3
betrayal(noun, disloyalty, infidelity)
3
depravity(noun, evil, immorality, corruption, wickedness)
3
dishonor
3
duplicity(noun, treachery, cunning, fraud, deceit)
3
falseness(noun, disloyalty, infidelity)
3
indirection(noun, dishonesty, crookedness, deviousness, craftiness)
3
insincerity(noun, dishonesty)
2
artifice(noun, treachery, cunning, fraud, deceit)
2
chicanery(noun, dishonesty, treachery, fraud, deceit)
2
corruptness(noun, evil, honest, dishonesty, corruption)
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APASmart Define. (2015). improbity thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/improbity/thesaurus/synonyms
ChicagoSmart Define. 2015. "improbity thesaurus" https://smartdefine.org/improbity/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, improbity thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/improbity/thesaurus/synonyms>.
MLASmart Define. "improbity thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/improbity/thesaurus/synonyms>