- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
| murderer | |
| murderous(adjective, nasty, violent, vicious, wicked) | |
| nauseous | |
| nocent(distressing, harmful, injurious, damaging) | |
| odious | |
| outrageous | |
| painful(adjective, evil, nasty, harsh, vicious) | |
| poignant(adjective, evil, nasty, harsh, vicious) | |
| poison(adjective, bad, evil, nasty, vicious) | |
| polluted | |
| poorly | |
| rancorous(adjective, mean, bad, evil, nasty) | |
| repellent | |
| revengeful(adjective, evil, nasty, harsh, vicious) | |
| revolting | |
| ruthless(adjective, evil, nasty, harsh, vicious) | |
| sadistic(adjective, evil, nasty, harsh, vicious) | |
| savage | |
| scatheful | |
| severe(adjective, negative emotions) |
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| APA | Smart Define. (2016). pernicious thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/pernicious/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "pernicious thesaurus" https://smartdefine.org/pernicious/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, pernicious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/pernicious/thesaurus/synonyms>. |
| MLA | Smart Define. "pernicious thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/pernicious/thesaurus/synonyms> |