| dubious(adjective, open, delicate, uncertain, unstable) | |
| endangered(delicate, uncertain, unsound, vulnerable, danger) | |
| hot(adjective, bad, informal, heavy, unpredictable) | |
| life-threatening(adjective, dangerous) | |
| nasty(adjective, wicked, dangerous) | |
| problematic(adjective, difficult, delicate, uncertain, awkward) | |
| querulous(adjective, delicate, sensitive, tricky, impatient) | |
| rash | |
| lethal(adjective, risky, dangerous, unsafe) | |
| adventuresome | |
| alarming(adjective, bad, heavy, insecure, dangerous) | |
| audacious | |
| breakneck | |
| convulsive(unstable, unpredictable, volatile) | |
| dangerously | |
| daring | |
| debatable(uncertain, shaky, unclear, unlikely, questionable) | |
| detrimental(adjective, harmful, dangerous, injurious) | |
| dickey | |
| fatal(adjective, dangerous) |
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| APA | Smart Define. (2015). hazardous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/hazardous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "hazardous thesaurus" https://smartdefine.org/hazardous/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, hazardous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/hazardous/thesaurus/synonyms>. |
| MLA | Smart Define. "hazardous thesaurus" 19 August 2015. Web. 23 September 2026. <https://smartdefine.org/hazardous/thesaurus/synonyms> |