94 entries under severe topic. ×
| hazardous(adjective, difficult, delicate, awful) | |
| risky(noun, adjective, adverb, open) | |
| perilous(adjective, adverb, open, difficult) | |
| harmful(adjective, bad, offensive, awful) | |
| serious(adjective, help, bad, great) | |
| threatening(adjective, strong, hard, tough) | |
| chancy(noun, adjective, adverb, open) | |
| treacherous(adjective, hard, evil, rough) | |
| grave(adjective, help, great, tough) | |
| menacing(adjective, strong, tough, intense) | |
| ugly(adjective, bad, hard, tough) | |
| unhealthy(adjective, delicate, awful, terrible) | |
| wicked(adjective, harsh, delicate, unpleasant) | |
| injurious(adjective, bad, offensive, awful) | |
| grievous(adjective, help, great, tough) | |
| acute(adjective, important, significant, serious) | |
| desperate(adjective, awful, significant, extreme) | |
| terrible(adjective, bad, strong, hard) | |
| venomous(adjective, bad, strong, evil) | |
| difficult(noun, adjective, hard, tough) |
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| APA | Smart Define. (2016). dangerous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/dangerous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "dangerous thesaurus" https://smartdefine.org/dangerous/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, dangerous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/dangerous/thesaurus/synonyms>. |
| MLA | Smart Define. "dangerous thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/dangerous/thesaurus/synonyms> |