Synonyms|610Antonyms|75|Broader|7Narrower|7Related|424

96 entries under fantastic topic. ×

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fictive(adjective, imaginary, weird, unlikely)
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floating(adjective, imaginary, unlikely, whimsical)
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ideal(adjective, imaginary, weird, unlikely)
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imagined(adjective, imaginary, weird, unlikely)
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invented(adjective, imaginary, weird, unlikely)
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kinky(adjective, imaginary, unlikely, whimsical)
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mythical(adjective, imaginary, weird, unlikely)
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notional(adjective, imaginary, weird, unlikely)
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on cloud nine(expression, adjective, idiom, imaginary)
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pie in the sky(expression, adjective, idiom, imaginary)
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pipe dream(expression, adjective, imaginary, unlikely)
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poetic(adjective, imaginary, unlikely, whimsical)
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romantic(adjective, fake, imaginary, weird)
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shadowy(adjective, imaginary, unlikely, whimsical)
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turn on(expression, superb, wonderful, marvelous)
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whimsical(adjective, strange, imaginary, weird)
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APASmart Define. (2016). unbelievable thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unbelievable/thesaurus/synonyms
ChicagoSmart Define. 2016. "unbelievable thesaurus" https://smartdefine.org/unbelievable/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, unbelievable thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unbelievable/thesaurus/synonyms>.
MLASmart Define. "unbelievable thesaurus" 30 March 2016. Web. 1 October 2026. <https://smartdefine.org/unbelievable/thesaurus/synonyms>