103 entries under fantastic topic. ×

2
strange(adjective, unusual, wild, silly, foolish)
2
unreal(adjective, happy, perfect, extravagant)
2
visionary(adjective, happy, perfect, unreasonable)
1
aerial(adjective, happy, perfect, extravagant)
1
beyond all reason(expression, idiom, silly, foolish)
1
blue sky(expression, adjective, happy, perfect)
1
capricious(adjective, wrong, happy, perfect, strange)
1
castles in the air(expression, adjective, idiom, happy, perfect)
1
diverting(adjective, silly, funny, amusing)
1
dreamlike(adjective, happy, perfect, extravagant)
1
entertaining(adjective, funny, absurd, amusing)
1
fairy-tale(adjective, happy, perfect, extravagant)
1
fancied(adjective, happy, perfect, extravagant)
1
fictional(adjective, happy, perfect, strange)
1
fictitious(adjective, happy, perfect, extravagant)
1
fictive(adjective, happy, perfect, extravagant)
1
flamboyant(adjective, strange, ugly, gross)
1
floating(adjective, happy, perfect, extravagant)
1
ideal(adjective, happy, perfect, extravagant)
1
ill-conceived(silly, foolish, unwise, impractical)
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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>