- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
209 entries under adjective topic. ×
| cruel(mean, nasty, pain, violent) | |
| vicious(mean, bad, evil, nasty) | |
| unhealthy(offensive, foul, disgusting, distressing) | |
| corrupt | |
| devastating(bad, evil, wicked, dreadful) | |
| disastrous(bad, wicked, immoral, dreadful) | |
| foul(offensive, corrupt, disgusting, immoral) | |
| calamitous(bad, wicked, immoral, dreadful) | |
| insalubrious(offensive, foul, disgusting, harmful) | |
| catastrophic(dreadful, harmful, injurious, damaging) | |
| ill(rude, vicious, wicked, hostile) | |
| malefic(negative, grave, harmful, threatening) | |
| offensive(bad, hurtful) | |
| subtle | |
| killing(bad, hurtful) | |
| miasmic(bad, hurtful) | |
| nefarious(bad, hurtful) | |
| negative(harmful, injurious, unfavorable, hurtful) | |
| ominous(cruel, unkind, upsetting, threatening) | |
| unfavorable(contrary, dreadful, harmful, threatening) |
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| APA | Smart Define. (2016). pernicious thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/pernicious/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "pernicious thesaurus" https://smartdefine.org/pernicious/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, pernicious thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/pernicious/thesaurus/synonyms>. |
| MLA | Smart Define. "pernicious thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/pernicious/thesaurus/synonyms> |