- Definitions|2
- Thesaurus|1.3k
- Abbreviations|0
52 entries under immoral topic. ×
| deceitful(adjective, mean, smooth, smart, false) | |
| dishonest(adjective, mean, bad, smooth, wrong) | |
| sneaky(adjective, mean, bad, smooth, wrong) | |
| crooked(adjective, mean, bad, smooth, wrong) | |
| tricky(adjective, mean, smooth, keen, sharp) | |
| unscrupulous(adjective, mean, bad, smooth, wrong) | |
| two-faced(adjective, bad, wrong, false, corrupt) | |
| corrupt(adjective, bad, wrong, false, dishonest) | |
| double-dealing(adjective, mean, smooth, smart, false) | |
| shady(adjective, bad, wrong, false, corrupt) | |
| slippery(adjective, bad, wrong, keen, sharp) | |
| unethical(adjective, wrong, corrupt, dishonest) | |
| perfidious(adjective, false, corrupt, dishonest) | |
| unfair(adjective, bad, wrong, false, dishonest) | |
| unprincipled(adjective, bad, wrong, false, corrupt) | |
| bent(adjective, false, corrupt, dishonest) | |
| dishonorable(adjective, mean, smooth, corrupt, dishonest) | |
| sinister(adjective, false, deceitful, lying) | |
| dirty(wrong, dishonest, deceitful, unprincipled) | |
| fishy(wrong, false, dishonest, deceitful) |
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| APA | Smart Define. (2015). underhand thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/underhand/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "underhand thesaurus" https://smartdefine.org/underhand/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, underhand thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/underhand/thesaurus/synonyms>. |
| MLA | Smart Define. "underhand thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/underhand/thesaurus/synonyms> |