103 entries under fantastic topic. ×

1
illusory(adjective, happy, perfect, extravagant)
1
imaginary(adjective, strange, extravagant, absurd)
1
imaginative(adjective, happy, perfect, strange)
1
imagined(adjective, happy, perfect, extravagant)
1
inappropriate(wrong, false, foolish, stupid, awkward)
1
incoherent(foolish, stupid, unreasonable, senseless)
1
inconsequential(foolish, stupid, senseless, irrational)
1
kinky(adjective, happy, perfect, strange)
1
legendary(adjective, extravagant, absurd, romantic)
1
mind-boggling(adjective, extraordinary, amazing, unbelievable)
1
mythical(adjective, extravagant, absurd, romantic)
1
on cloud nine(expression, adjective, idiom, happy, perfect)
1
out of all reason(expression, idiom, silly, foolish)
1
pie in the sky(expression, adjective, idiom, happy, perfect)
1
pipe dream(expression, adjective, happy, perfect)
1
poetic(adjective, happy, perfect, extravagant)
1
romantic(adjective, happy, perfect, extravagant)
1
shadowy(adjective, happy, perfect, extravagant)
1
strained(adjective, false, extravagant, inflated)
1
suppositious(adjective, happy, perfect, strange)
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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>