135 entries under adjective topic. ×
| cutthroat(unpleasant, grim, harmful, injurious) | |
| fell(unpleasant, grim, harmful, injurious) | |
| hazardous(risky, dangerous, unsafe) | |
| killing | |
| life-threatening | |
| risky(dangerous, unsafe) | |
| unhealthy(risky, harmful, killing, dangerous) | |
| ominous | |
| dead | |
| death-dealing | |
| hopeless | |
| incurable | |
| insecure(risky, dangerous, unsafe) | |
| menacing(risky, dangerous, unsafe) | |
| noisome(bad, evil, harmful, injurious) | |
| pestiferous(bad, evil, harmful, injurious) | |
| precarious(risky, dangerous, unsafe) | |
| septic | |
| threatening(risky, dangerous, unsafe) | |
| wicked(bad, risky, dangerous, deadly) |
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| APA | Smart Define. (2015). lethal thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/lethal/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "lethal thesaurus" https://smartdefine.org/lethal/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, lethal thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/lethal/thesaurus/synonyms>. |
| MLA | Smart Define. "lethal thesaurus" 17 July 2015. Web. 21 September 2026. <https://smartdefine.org/lethal/thesaurus/synonyms> |