99 entries under fantastic topic. ×

1
inappropriate(silly, foolish, unwise, impractical)
1
ingenious(adjective, original, extravagant, inventive)
1
insane(silly, foolish, unwise, impractical)
1
inspired(adjective, original, extravagant, ingenious)
1
inventive(adjective, original, extravagant, ingenious)
1
irresponsible(silly, foolish, unwise, impractical)
1
loony(silly, foolish, unwise, impractical)
1
ludicrous(silly, foolish, unwise, impractical)
1
mysterious(adjective, happy, tender, perfect)
1
nonsensical(silly, foolish, impractical, unreal)
1
odd(silly, foolish, unwise, impractical)
1
offbeat(adjective, happy, perfect, original)
1
original(adjective, extravagant, ingenious, fanciful)
1
originative(adjective, original, extravagant, ingenious)
1
out of all reason(expression, idiom, silly, foolish)
1
outrageous(silly, foolish, unwise, impractical)
1
peculiar(silly, foolish, unwise, impractical)
1
picturesque(adjective, happy, tender, perfect)
1
pie-in-the-sky(perfect, original, extravagant, fanciful)
1
poetical(adjective, original, extravagant, ingenious)
10 years ago|10k views|share |citing 
APASmart Define. (2016). quixotic thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/quixotic/thesaurus/synonyms
ChicagoSmart Define. 2016. "quixotic thesaurus" https://smartdefine.org/quixotic/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, quixotic thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/quixotic/thesaurus/synonyms>.
MLASmart Define. "quixotic thesaurus" 24 March 2016. Web. 1 October 2026. <https://smartdefine.org/quixotic/thesaurus/synonyms>