Synonyms|909Antonyms|156|Broader|7Narrower|0Related|1.8k

103 entries under fantastic topic. ×

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beyond reason(expression, foolish, unrealistic)
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invented(adjective, imaginary, unlikely, unbelievable)
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out of this world(expression, adjective, idiom, imaginary)
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APASmart Define. (2015). preposterous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/preposterous/thesaurus/synonyms
ChicagoSmart Define. 2015. "preposterous thesaurus" https://smartdefine.org/preposterous/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, preposterous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/preposterous/thesaurus/synonyms>.
MLASmart Define. "preposterous thesaurus" 2 September 2015. Web. 28 September 2026. <https://smartdefine.org/preposterous/thesaurus/synonyms>