- Definitions|2
- Thesaurus|402
- Abbreviations|0
113 entries under noun topic. ×
| swindle(dishonesty, treachery, cunning, fraud) | |
| trickery(treachery, cunning, fraud, deceit) | |
| trickiness(dishonesty, treachery, fraud, deceit) | |
| two-timing(fake, dishonesty, treachery, dodge) | |
| unscrupulousness(dishonesty, treachery, fraud, deceit) | |
| untrueness(treachery, falseness, infidelity, unfaithfulness) | |
| violation(treachery, falseness, infidelity, unfaithfulness) | |
| wiliness(treachery, fraud, deceit, lying) | |
| adultery(duplicity, affair, unfaithfulness, faithlessness) | |
| affair(duplicity, unfaithfulness, faithlessness) | |
| crime | |
| dirty business | |
| disbelief(doubt, dishonesty, treachery, deceit) | |
| dodge(fake, treachery, deceit, lying) | |
| double-cross(fake, treachery, dodge, deceit) | |
| doubt(dishonesty, treachery, deceit, lying) | |
| extramarital relations(expression, duplicity, affair, unfaithfulness) | |
| gyp(fake, treachery, dodge, deceit) | |
| homicide | |
| imposture |
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| APA | Smart Define. (2015). perfidiousness thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/perfidiousness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "perfidiousness thesaurus" https://smartdefine.org/perfidiousness/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, perfidiousness thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/perfidiousness/thesaurus/synonyms>. |
| MLA | Smart Define. "perfidiousness thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/perfidiousness/thesaurus/synonyms> |