1
black
1
cancerous(adjective, harmful, injurious, damaging, deadly)
1
consuming
1
convulsive
1
cursed(miserable, wretched, unfortunate, doomed, unsuccessful)
1
cutthroat(adjective, harmful, injurious, damaging, deadly)
1
dark
1
demolishing
1
demolitionary
1
depredatory
1
destroying
1
doomed(miserable, wretched, unfortunate, unsuccessful, grievous)
1
doomful
1
down on luck(expression, miserable, wretched, unfortunate, doomed)
1
eradicative(adjective, harmful, injurious, damaging, deadly)
1
evil(adjective, harmful, injurious, damaging, deadly)
1
extirpative(adjective, harmful, injurious, damaging, deadly)
1
fell(adjective, harmful, injurious, damaging, deadly)
1
fratricidal
1
hapless(miserable, wretched, unfortunate, doomed, unsuccessful)
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APASmart Define. (2015). cataclysmic thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/cataclysmic/thesaurus/synonyms
ChicagoSmart Define. 2015. "cataclysmic thesaurus" https://smartdefine.org/cataclysmic/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, cataclysmic thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/cataclysmic/thesaurus/synonyms>.
MLASmart Define. "cataclysmic thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/cataclysmic/thesaurus/synonyms>