- Definitions|1
- Thesaurus|113
- Abbreviations|0
52 entries under adjective topic. ×
| dangerous | |
| serious | |
| severe | |
| acute | |
| critical | |
| deadly | |
| grave | |
| grievous | |
| hazardous | |
| lethal | |
| fatal | |
| perilous | |
| harmful | |
| mortal | |
| poisonous | |
| toxic | |
| capital | |
| malignant | |
| precarious | |
| pressing |
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| APA | Smart Define. (2015). life-threatening thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/life-threatening/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "life-threatening thesaurus" https://smartdefine.org/life-threatening/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, life-threatening thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/life-threatening/thesaurus/synonyms>. |
| MLA | Smart Define. "life-threatening thesaurus" 17 July 2015. Web. 27 September 2026. <https://smartdefine.org/life-threatening/thesaurus/synonyms> |