181 entries under adjective topic. ×
| poisonous(harmful, dangerous, deadly, lethal) | |
| baneful(bad, evil, harmful, injurious) | |
| terminal(deadly, final, lethal) | |
| baleful(bad, evil, harmful, injurious) | |
| calamitous(help, painful, suffering, dreadful) | |
| fateful(help, important, decide, critical) | |
| harmful(bad, evil, dreadful, dangerous) | |
| virulent(deadly, poisonous, lethal) | |
| cataclysmic(help, painful, suffering, dreadful) | |
| malignant(dangerous, deadly, diseased, lethal) | |
| noxious(bad, evil, harmful, dangerous) | |
| toxic(bad, evil, harmful, dangerous) | |
| dangerous(hazardous, troubling) | |
| deathly(live, dangerous, deadly, lethal) | |
| inevitable(important, critical, deadly, doomed) | |
| foreordained(important, critical, doomed) | |
| damaging(bad, evil, harmful, dangerous) | |
| devastating(bad, evil, wicked, dreadful) | |
| dire(sad, heavy, painful, suffering) | |
| hopeless(disease, pessimistic, futile) |
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| APA | Smart Define. (2016). fatal thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fatal/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "fatal thesaurus" https://smartdefine.org/fatal/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, fatal thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fatal/thesaurus/synonyms>. |
| MLA | Smart Define. "fatal thesaurus" 3 April 2016. Web. 23 September 2026. <https://smartdefine.org/fatal/thesaurus/synonyms> |