42 entries under fatal topic. ×
| ruinous(adjective, bad, evil, harmful, injurious) | |
| calamitous(adjective, harmful, injurious, damaging, deadly) | |
| cataclysmic(adjective, harmful, injurious, damaging, deadly) | |
| catastrophic(adjective, harmful, injurious, damaging, deadly) | |
| devastating(adjective, bad, evil, wicked, harmful) | |
| disastrous(adjective, harmful, injurious, damaging, deadly) | |
| fell(adjective, harmful, injurious, damaging, deadly) | |
| internecine(adjective, bad, violent, harmful, injurious) | |
| annihilative(adjective, harmful, injurious, damaging, deadly) | |
| cancerous(adjective, harmful, injurious, damaging, deadly) | |
| consumptive(adjective, bad, painful, harmful, injurious) | |
| cutthroat(adjective, harmful, injurious, damaging, deadly) | |
| dire(adjective, bad, painful, harmful, injurious) | |
| eradicative(adjective, harmful, injurious, damaging, deadly) | |
| extirpative(adjective, harmful, injurious, damaging, deadly) | |
| lethiferous(adjective, harmful, injurious, damaging, deadly) | |
| murderous(adjective, injurious, damaging, destructive) | |
| slaughterous(adjective, harmful, injurious, damaging, deadly) | |
| suicidal(adjective, violent, cruel, harmful, injurious) | |
| wrackful(adjective, harmful, injurious, damaging, deadly) |
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| APA | Smart Define. (2015). toxic thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/toxic/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "toxic thesaurus" https://smartdefine.org/toxic/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, toxic thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/toxic/thesaurus/synonyms>. |
| MLA | Smart Define. "toxic thesaurus" 17 July 2015. Web. 24 September 2026. <https://smartdefine.org/toxic/thesaurus/synonyms> |