94 entries under severe topic. ×
| formidable(adjective, hard, tough, evil) | |
| unsound(adjective, delicate, awful, terrible) | |
| fell(adjective, strong, tough, intense) | |
| urgent(adjective, significant, serious, vital) | |
| vicious(adjective, bad, strong, hard, wrong) | |
| hard(adjective, tough, evil, rough) | |
| malign(adjective, strong, hard, evil) | |
| weighty(adjective, great, important, significant) | |
| crucial(great, important, significant, serious) | |
| ferocious(adjective, strong, hard, rough) | |
| frightening(adjective, strong, intense, violent) | |
| intense(adjective, strong, harsh, awful) | |
| major(adjective, great, tough, unpleasant) | |
| murderous(adjective, bad, strong, difficult) | |
| troublesome(adjective, hard, evil, rough) | |
| awful(adjective, bad, strong, offensive) | |
| cruel(adjective, strong, hard, rough) | |
| dreadful(adjective, tough, unpleasant, awful) | |
| loathsome(adjective, bad, offensive, foul) | |
| malevolent(adjective, bad, strong, intense) |
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| APA | Smart Define. (2016). dangerous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/dangerous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "dangerous thesaurus" https://smartdefine.org/dangerous/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, dangerous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/dangerous/thesaurus/synonyms>. |
| MLA | Smart Define. "dangerous thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/dangerous/thesaurus/synonyms> |