- Definitions|2
- Thesaurus|1.8k
- Abbreviations|0
| callous(adjective, hard, evil, rough, nasty) | |
| canny | |
| cantankerous(adjective, hard, evil, rough, nasty) | |
| canting(adjective, mean, bad, evil, base) | |
| catty(adjective, malevolent) | |
| changeful(adjective, false, dishonest, dubious, fickle) | |
| collusive | |
| committing perjury(expression, adjective, wrong, false, dishonest) | |
| conscienceless | |
| contemptible(adjective, hard, evil, rough, nasty) | |
| corrosive(adjective, malevolent) | |
| debauched(adjective, dishonest, immoral, rotten, untrustworthy) | |
| deluding(adjective, mean, bad, evil, base) | |
| delusive(adjective, bad, wrong, false, dishonest) | |
| diabolical | |
| difficult(adjective, hard, evil, rough, nasty) | |
| disagreeable(adjective, hard, evil, rough, nasty) | |
| double-minded | |
| double dealing(noun, expression, false, deceitful, fickle) | |
| doublehearted |
For more, visit
Perfidious on
Power Thesaurus
| APA | Smart Define. (2016). perfidious thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/perfidious/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "perfidious thesaurus" https://smartdefine.org/perfidious/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, perfidious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/perfidious/thesaurus/synonyms>. |
| MLA | Smart Define. "perfidious thesaurus" 4 March 2016. Web. 25 September 2026. <https://smartdefine.org/perfidious/thesaurus/synonyms> |