37 entries under lethal topic. ×
| deathly(adjective, live, dangerous, deadly) | |
| inevitable(adjective, important, critical, deadly, doomed) | |
| dire(adjective, sad, heavy, painful, suffering) | |
| killing(adjective, death, deadly) | |
| pestilent(adjective, dangerous, deadly) | |
| incurable(adjective, pessimistic, deadly, final, desperate) | |
| injurious(adjective, bad, evil, wicked, harmful) | |
| deleterious(adjective, bad, evil, harmful, injurious) | |
| final(adjective, important, critical, deadly) | |
| internecine(adjective, violent, cruel, harmful, killing) | |
| pestilential(adjective, bad, evil, harmful, injurious) | |
| venomous(adjective, bad, evil, harmful, dangerous) | |
| ill-fated(adjective, deadly) | |
| ill-starred(adjective, deadly) | |
| malefic(adjective, deadly) | |
| mortiferous(adjective, killing, deadly) | |
| pestiferous(adjective, bad, evil, harmful, injurious) |
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| APA | Smart Define. (2016). fatal thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/fatal/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "fatal thesaurus" https://smartdefine.org/fatal/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, fatal thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/fatal/thesaurus/synonyms>. |
| MLA | Smart Define. "fatal thesaurus" 3 April 2016. Web. 20 September 2026. <https://smartdefine.org/fatal/thesaurus/synonyms> |