1
harebrained(silly, foolish, fantastic, unwise, impractical)
1
headlong(adjective, rashness)
1
heavyset
1
hidden(supernatural, spiritual, mystical)
1
high-flown(adjective, fantastic, original, extravagant, intellectual)
1
high flown(expression, idiom, imagination)
1
honorable(adjective, big, polite, noble, thoughtful)
1
hotheaded(adjective, rashness)
1
hypothetical(adjective, fantastic, vague, intellectual, abstract)
1
idealist
1
idealized
1
ideological
1
idiotic(silly, foolish, fantastic, unwise, impractical)
1
idyllic(adjective, happy, tender, perfect, fantastic)
1
ill-conceived(silly, foolish, fantastic, unwise, impractical)
1
illusory
1
impenetrable(supernatural, spiritual, mystical)
1
impossible(perfect, wild, silly, unreasonable, absurd)
1
improbable(wild, silly, unreasonable, useless, absurd)
1
imprudent(adjective, silly, foolish, fantastic, unwise)
10 years ago|10k views|share |citing 
APASmart Define. (2016). quixotic thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/quixotic/thesaurus/synonyms
ChicagoSmart Define. 2016. "quixotic thesaurus" https://smartdefine.org/quixotic/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, quixotic thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/quixotic/thesaurus/synonyms>.
MLASmart Define. "quixotic thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/quixotic/thesaurus/synonyms>