- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
87 entries under harmful topic. ×
| despiteful(adjective, mean, nasty, negative, vicious) | |
| dire(adjective, evil, nasty, dreadful) | |
| eradicative(adjective, injurious, damaging, deadly) | |
| extirpative(adjective, injurious, damaging, deadly) | |
| fell(adjective, injurious, damaging, deadly) | |
| hostile(adjective, nasty, negative, vicious, wicked) | |
| insalutary(adjective, offensive, foul, disgusting) | |
| lethiferous(adjective, injurious, damaging, deadly) | |
| nocent(distressing, injurious, damaging) | |
| rancorous(adjective, mean, bad, evil, nasty) | |
| slaughterous(adjective, grave, injurious, damaging) | |
| stinking(offensive, corrupt, foul, disgusting, immoral) | |
| wreckful(adjective, injurious, damaging, deadly) | |
| abusive(distressing, damaging) | |
| disaffected(adjective, hostile, antagonistic, contrary) | |
| fetid(offensive, foul, disgusting, poisonous) | |
| inimicable(adjective, hostile, antagonistic, contrary) | |
| insulting(distressing, damaging) | |
| libeling(distressing, damaging) | |
| opprobrious(distressing, damaging) |
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| APA | Smart Define. (2016). pernicious thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/pernicious/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "pernicious thesaurus" https://smartdefine.org/pernicious/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, pernicious thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/pernicious/thesaurus/synonyms>. |
| MLA | Smart Define. "pernicious thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/pernicious/thesaurus/synonyms> |