70 entries under amazing topic. ×

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beyond belief(expression, extraordinary, incredible)
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breathtaking(astonishing, astounding)
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cockamamie(extraordinary, incredible)
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cockeyed(extraordinary, incredible)
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doubtful(extraordinary, incredible)
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dubious(extraordinary, incredible)
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dynamite(astonishing, astounding)
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fab(astonishing, astounding)
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far-fetched(extraordinary, incredible)
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fishy(extraordinary, incredible)
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flaky(extraordinary, incredible)
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flimsy(extraordinary, incredible)
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for the birds(expression, idiom, extraordinary, incredible)
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full of holes(expression, idiom, extraordinary, incredible)
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harebrained(extraordinary, incredible)
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implausible(extraordinary, incredible)
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impossible(extraordinary, incredible)
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improbable(extraordinary, incredible)
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incogitable(extraordinary, incredible)
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inconceivable(extraordinary, incredible)
10 years ago|25k views|share |citing 
APASmart Define. (2016). enormous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/enormous/thesaurus/synonyms
ChicagoSmart Define. 2016. "enormous thesaurus" https://smartdefine.org/enormous/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, enormous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/enormous/thesaurus/synonyms>.
MLASmart Define. "enormous thesaurus" 26 February 2016. Web. 28 September 2026. <https://smartdefine.org/enormous/thesaurus/synonyms>