44 entries under dangerous topic. ×
| deadly(adjective, bad, evil, painful, suffering) | |
| lethal(adjective, bad, evil, live, harmful) | |
| destructive(adjective, help, injurious, deadly) | |
| mortal(adjective, bad, evil, live, grave) | |
| poisonous(adjective, harmful, deadly, lethal) | |
| harmful(adjective, bad, evil, dreadful) | |
| malignant(adjective, deadly, diseased, lethal) | |
| noxious(adjective, bad, evil, harmful) | |
| toxic(adjective, bad, evil, harmful) | |
| deathly(adjective, live, deadly, lethal) | |
| damaging(adjective, bad, evil, harmful) | |
| pestilent(adjective, deadly, lethal) | |
| grave(adjective, crucial) | |
| injurious(adjective, bad, evil, wicked, harmful) | |
| severe | |
| venomous(adjective, bad, evil, harmful) | |
| detrimental(adjective, bad, evil, harmful) | |
| risky | |
| serious | |
| acute(adjective, major) |
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| APA | Smart Define. (2016). fatal thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/fatal/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "fatal thesaurus" https://smartdefine.org/fatal/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, fatal thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/fatal/thesaurus/synonyms>. |
| MLA | Smart Define. "fatal thesaurus" 3 April 2016. Web. 24 September 2026. <https://smartdefine.org/fatal/thesaurus/synonyms> |