55 entries under fatal topic. ×
| lethal(adjective, bad, evil, harmful, dangerous) | |
| pestilential(adjective, help, bad, evil, foul) | |
| pestilent(adjective, help, unhealthy, dangerous, injurious) | |
| venomous(adjective, mean, bad, evil, nasty) | |
| ruinous(adjective, mean, bad, wrong, evil) | |
| vicious(adjective, mean, bad, evil, nasty) | |
| pestiferous(adjective, bad, evil, harmful, injurious) | |
| corrupt(adjective, bad, evil, base, foul) | |
| suicidal(adjective, violent, cruel, harmful, injurious) | |
| cruel(adjective, mean, nasty, harsh, violent) | |
| dire(adjective, harmful, injurious, damaging, deadly) | |
| malicious(adjective, mean, bad, wrong, evil) | |
| catastrophic(adjective, harmful, injurious, damaging, deadly) | |
| mortal(adjective, bad, evil, harmful, dangerous) | |
| cancerous(adjective, harmful, injurious, damaging, deadly) | |
| disastrous(adjective, harmful, injurious, damaging, deadly) | |
| severe(adjective, bad, offensive, foul, revolting) | |
| annihilative(adjective, harmful, injurious, damaging, deadly) | |
| bitter(adjective, mean, nasty, hateful, petty) | |
| calamitous(adjective, harmful, injurious, damaging, deadly) |
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| APA | Smart Define. (2015). noxious thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/noxious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "noxious thesaurus" https://smartdefine.org/noxious/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, noxious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/noxious/thesaurus/synonyms>. |
| MLA | Smart Define. "noxious thesaurus" 17 July 2015. Web. 22 September 2026. <https://smartdefine.org/noxious/thesaurus/synonyms> |