- Definitions|2
- Thesaurus|1.8k
- Abbreviations|0
260 entries under adjective topic. ×
| adulterous(false, fickle, untrue, untrustworthy) | |
| amoral(fickle, untrustworthy, unprincipled, dirty-dealing) | |
| antagonistic | |
| artificial | |
| bad-tempered(hard, evil, rough, nasty) | |
| bitter | |
| black-hearted | |
| bribable(dishonest, immoral, rotten, untrustworthy) | |
| calculating | |
| callous(hard, evil, rough, nasty) | |
| canny | |
| cantankerous(hard, evil, rough, nasty) | |
| canting(mean, bad, evil, base) | |
| catty | |
| changeful(false, dishonest, dubious, fickle) | |
| committing perjury(expression, wrong, false, dishonest) | |
| conscienceless | |
| contemptible(hard, evil, rough, nasty) | |
| corrosive | |
| debauched(dishonest, immoral, rotten, untrustworthy) |
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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> |