- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
51 entries under fatal topic. ×
| harmful(adjective, bad, cruel, negative, wicked) | |
| deleterious(adjective, mean, bad, evil, nasty) | |
| destructive(adjective, help, bad, evil, cruel) | |
| injurious(adjective, mean, bad, nasty, cruel) | |
| noxious(adjective, help, mean, bad, evil) | |
| baneful(adjective, help, bad, offensive, negative) | |
| detrimental(adjective, mean, bad, nasty, offensive) | |
| baleful(adjective, mean, bad, nasty, negative) | |
| damaging(adjective, bad, cruel, negative, unkind) | |
| evil(adjective, mean, bad, nasty, harsh) | |
| deadly(adjective, help, bad, evil, cruel) | |
| virulent(adjective, help, mean, bad, evil) | |
| hurtful(adjective, evil, cruel, negative, unkind) | |
| malignant(adjective, help, mean, bad, evil) | |
| poisonous(adjective, mean, bad, evil, nasty) | |
| toxic(adjective, bad, evil, offensive, foul) | |
| ruinous(adjective, help, bad, dreadful, distressing) | |
| malicious(adjective, mean, bad, evil, nasty) | |
| suicidal(adjective, violent, cruel, harmful, injurious) | |
| lethal(adjective, bad, evil, harmful, injurious) |
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| APA | Smart Define. (2016). pernicious thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/pernicious/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "pernicious thesaurus" https://smartdefine.org/pernicious/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, pernicious thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/pernicious/thesaurus/synonyms>. |
| MLA | Smart Define. "pernicious thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/pernicious/thesaurus/synonyms> |