- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
209 entries under adjective topic. ×
| unfavourable | |
| vile | |
| awful(mean, nasty, offensive, foul) | |
| base | |
| cataclysmic(dreadful, harmful, injurious, damaging) | |
| deathly | |
| dreadful | |
| hateful(mean, bad, evil, nasty) | |
| iniquitous(bad, corrupt, immoral, distressing) | |
| internecine(violent, cruel, harmful, injurious) | |
| maleficent(bad, hurtful) | |
| mephitic | |
| nasty(mean, evil, cruel, wicked) | |
| rotten | |
| sinful(bad, evil, nasty, harsh) | |
| spiteful(mean, bad, evil, nasty) | |
| terrible | |
| unhealthful(offensive, foul, disgusting, unhealthy) | |
| atrocious(bad, evil, nasty, harsh) | |
| brutal(evil, nasty, harsh, vicious) |
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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> |