- Definitions|2
- Thesaurus|2k
- Abbreviations|0
| infamous(adjective, evil, vile, immoral, shady) | |
| infernal | |
| inglorious(adjective, vile, shady, dishonorable, disreputable) | |
| lawless | |
| lying(adjective, false, corrupt, dishonest, deceitful) | |
| malevolent | |
| malicious | |
| mendacious(adjective, false, dishonest, deceitful, lying) | |
| pitiless(adjective, vicious, savage, ruthless) | |
| questionable | |
| reprehensible(adjective, vice) | |
| scandalous(adjective, wrong, corrupt, vile, dishonest) | |
| shabby(vile, shady, dishonorable, disreputable, lowly) | |
| sneaky(adjective, bad, wrong, false, dishonest) | |
| thieving | |
| unchaste(noun, corrupt, wicked, depraved, brazen) | |
| underhanded(adjective, false, dishonest, immoral, deceitful) | |
| unfaithful(adjective, dishonest, immoral, rotten, fickle) | |
| unfitting(adjective, immoral, unethical) | |
| unjust(adjective, wrong, dishonest, immoral, shocking) |
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| APA | Smart Define. (2015). unprincipled thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unprincipled/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unprincipled thesaurus" https://smartdefine.org/unprincipled/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, unprincipled thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unprincipled/thesaurus/synonyms>. |
| MLA | Smart Define. "unprincipled thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/unprincipled/thesaurus/synonyms> |