- Definitions|2
- Thesaurus|1.8k
- Abbreviations|0
260 entries under adjective topic. ×
| rotten(hard, evil, rough, nasty) | |
| scheming | |
| sneaky(false, deceitful, lying, subtle) | |
| subversive(untrue, untrustworthy, treacherous, unfaithful) | |
| unctuous(false, deceitful, lying, untruthful) | |
| underhanded(mean, base, false, dishonest) | |
| Janus-faced | |
| alienated(untrue, untrustworthy, treacherous, unfaithful) | |
| baleful | |
| base(mean, dishonest, immoral, rotten) | |
| capricious(false, dishonest, dubious, untrustworthy) | |
| cheating(false, dishonest, deceitful, lying) | |
| churlish(hard, rough, nasty, rude) | |
| counterfeit | |
| dangerous(hard, evil, rough, nasty) | |
| despicable(hard, evil, rough, nasty) | |
| disreputable(false, deceitful, lying, untruthful) | |
| dissimulating(noun, wrong, false, dishonest) | |
| double-crossing(wrong, false, dishonest, deceitful) | |
| estranged(untrue, untrustworthy, treacherous, unfaithful) |
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| APA | Smart Define. (2016). perfidious thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/perfidious/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "perfidious thesaurus" https://smartdefine.org/perfidious/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, perfidious thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/perfidious/thesaurus/synonyms>. |
| MLA | Smart Define. "perfidious thesaurus" 4 March 2016. Web. 26 September 2026. <https://smartdefine.org/perfidious/thesaurus/synonyms> |