Synonyms|197Antonyms|22|Broader|0Narrower|0Related|30
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excruciating
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fearful
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feller(injurious, deadly, fatal, devastating)
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fierce
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frightful
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gloomy
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grim
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harassing(injurious, damaging, destructive)
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harrowing
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hazardous
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heartbreaking
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hellfire(adjective, fateful)
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help
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hopelessly
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horrendous
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horrid
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horrifying
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ill
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incendiary(injurious, damaging, destructive)
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inimical(injurious, damaging, destructive)
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APASmart Define. (2015). cataclysmic thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/cataclysmic/thesaurus/synonyms
ChicagoSmart Define. 2015. "cataclysmic thesaurus" https://smartdefine.org/cataclysmic/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, cataclysmic thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/cataclysmic/thesaurus/synonyms>.
MLASmart Define. "cataclysmic thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/cataclysmic/thesaurus/synonyms>