- Definitions|2
- Thesaurus|402
- Abbreviations|0
113 entries under noun topic. ×
| corruption(fake, dishonesty, treachery, fraud) | |
| cunning(deception, dishonesty, treachery, fraud) | |
| deception(division, dishonesty, deceit, falseness) | |
| false-heartedness(continue, doubt, trust, dishonesty) | |
| falsehood(deception, dishonesty, treachery, fraud) | |
| flimflam(fake, dishonesty, treachery, fraud) | |
| fraud(deception, doubt, dishonesty, treachery) | |
| fraudulence(deception, dishonesty, treachery, fraud) | |
| graft(dishonesty, treachery, cunning, fraud) | |
| hypocrisy(deception, division, dishonesty, deceit) | |
| insidiousness(dishonesty, treachery, fraud, deceit) | |
| knavery | |
| mendacity(deception, dishonesty, treachery, fraud) | |
| sharp practice(expression, idiom, dishonesty, treachery) | |
| treacherousness(continue, fake, deception, doubt) | |
| apostasy(treachery, falseness, infidelity, unfaithfulness) | |
| artifice(deception, dishonesty, treachery, fraud) | |
| bad faith(expression, treachery, duplicity, falseness) | |
| betrayal of trust(expression, idiom, treachery, falseness) | |
| breach of trust(expression, idiom, treachery, falseness) |
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| APA | Smart Define. (2015). perfidiousness thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/perfidiousness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "perfidiousness thesaurus" https://smartdefine.org/perfidiousness/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, perfidiousness thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/perfidiousness/thesaurus/synonyms>. |
| MLA | Smart Define. "perfidiousness thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/perfidiousness/thesaurus/synonyms> |