135 entries under adjective topic. ×
| acute | |
| alarming | |
| annihilative(harmful, injurious, damaging, deadly) | |
| bad | |
| barbarous | |
| big | |
| bloodthirsty | |
| bloody | |
| brilliant | |
| calamitous(grave, harmful, injurious, damaging) | |
| cancerous(harmful, injurious, damaging, deadly) | |
| cataclysmic(grave, harmful, injurious, damaging) | |
| consumptive(harmful, injurious, damaging, deadly) | |
| critical | |
| death-defying | |
| desperate | |
| dire(grave, harmful, injurious, damaging) | |
| distinguished | |
| eradicative(harmful, injurious, damaging, deadly) | |
| explosive |
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| APA | Smart Define. (2015). lethal thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/lethal/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "lethal thesaurus" https://smartdefine.org/lethal/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, lethal thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/lethal/thesaurus/synonyms>. |
| MLA | Smart Define. "lethal thesaurus" 17 July 2015. Web. 22 September 2026. <https://smartdefine.org/lethal/thesaurus/synonyms> |