- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
209 entries under adjective topic. ×
| harmful(bad, cruel, negative, wicked) | |
| deleterious(mean, bad, evil, nasty) | |
| destructive(help, bad, evil, cruel) | |
| injurious(mean, bad, nasty, cruel) | |
| noxious(help, mean, bad, evil) | |
| baneful(help, bad, offensive, negative) | |
| detrimental(mean, bad, nasty, offensive) | |
| baleful(mean, bad, nasty, negative) | |
| damaging(bad, cruel, negative, unkind) | |
| evil(mean, bad, nasty, harsh) | |
| deadly(help, bad, evil, cruel) | |
| virulent(help, mean, bad, evil) | |
| fatal(bad, dreadful, grave, harmful) | |
| hurtful(evil, cruel, negative, unkind) | |
| malignant(help, mean, bad, evil) | |
| poisonous(mean, bad, evil, nasty) | |
| toxic(bad, evil, offensive, foul) | |
| bad(offensive, negative, foul, wicked) | |
| ruinous(help, bad, dreadful, distressing) | |
| malicious(mean, bad, evil, nasty) |
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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> |