- Definitions|2
- Thesaurus|249
- Abbreviations|0
| black | |
| cancerous(adjective, harmful, injurious, damaging, deadly) | |
| consuming | |
| convulsive | |
| cursed(miserable, wretched, unfortunate, doomed, unsuccessful) | |
| cutthroat(adjective, harmful, injurious, damaging, deadly) | |
| dark | |
| demolishing | |
| demolitionary | |
| depredatory | |
| destroying | |
| doomed(miserable, wretched, unfortunate, unsuccessful, grievous) | |
| doomful | |
| down on luck(expression, miserable, wretched, unfortunate, doomed) | |
| eradicative(adjective, harmful, injurious, damaging, deadly) | |
| evil(adjective, harmful, injurious, damaging, deadly) | |
| extirpative(adjective, harmful, injurious, damaging, deadly) | |
| fell(adjective, harmful, injurious, damaging, deadly) | |
| fratricidal | |
| hapless(miserable, wretched, unfortunate, doomed, unsuccessful) |
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| APA | Smart Define. (2015). cataclysmic thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/cataclysmic/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "cataclysmic thesaurus" https://smartdefine.org/cataclysmic/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, cataclysmic thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/cataclysmic/thesaurus/synonyms>. |
| MLA | Smart Define. "cataclysmic thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/cataclysmic/thesaurus/synonyms> |