Synonyms|92Antonyms|1|Broader|0Narrower|0Related|3
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dire
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disastrous
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disastrous tragic
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dreadful
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earth-shaking(adjective, important, significant, serious, critical)
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earthshattering(adjective, important, serious, critical, earthshaking)
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extraordinary
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extremely important(expression, adjective, important, serious, critical)
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eye-popping
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far-reaching(important, significant, historic)
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fatal
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frightful
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grave(important, significant, historic)
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grievous
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harmful
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heartbreaking
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heavy(important, significant, historic)
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incredible
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incredibly
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ironically
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APASmart Define. (2013). earth-shattering thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/earth-shattering/thesaurus/synonyms
ChicagoSmart Define. 2013. "earth-shattering thesaurus" https://smartdefine.org/earth-shattering/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2013, earth-shattering thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/earth-shattering/thesaurus/synonyms>.
MLASmart Define. "earth-shattering thesaurus" 17 June 2013. Web. 28 September 2026. <https://smartdefine.org/earth-shattering/thesaurus/synonyms>