- Definitions|2
- Thesaurus|1.1k
- Abbreviations|0
| endangered(delicate, uncertain, sensitive, unsound, tricky) | |
| exposed(adjective, adverb, bad, open, shaky) | |
| fraught with danger(expression, adjective, idiom, delicate, uncertain) | |
| hard(adjective, adverse) | |
| injurious(adjective, harmful, dangerous, detrimental) | |
| life-threatening(adjective, dangerous) | |
| mischievous(adjective, wicked, devilish) | |
| nice | |
| problematic(adjective, difficult, delicate, uncertain, awkward) | |
| rugged(adjective, delicate, uncertain, unstable, doubtful) | |
| susceptible | |
| tight(adjective, difficult, troublesome) | |
| adverse(adjective, adverse) | |
| bad | |
| breakneck | |
| catastrophic(adjective, adverse) | |
| danger(noun, fear) | |
| dire | |
| endanger | |
| fatal(adjective, dangerous) |
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| APA | Smart Define. (2015). perilous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/perilous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "perilous thesaurus" https://smartdefine.org/perilous/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, perilous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/perilous/thesaurus/synonyms>. |
| MLA | Smart Define. "perilous thesaurus" 17 July 2015. Web. 24 September 2026. <https://smartdefine.org/perilous/thesaurus/synonyms> |