- Definitions|2
- Thesaurus|622
- Abbreviations|0
| harebrained(silly, foolish, fantastic, unwise, impractical) | |
| headlong(adjective, rashness) | |
| heavyset | |
| hidden(supernatural, spiritual, mystical) | |
| high-flown(adjective, fantastic, original, extravagant, intellectual) | |
| high flown(expression, idiom, imagination) | |
| honorable(adjective, big, polite, noble, thoughtful) | |
| hotheaded(adjective, rashness) | |
| hypothetical(adjective, fantastic, vague, intellectual, abstract) | |
| idealist | |
| idealized | |
| ideological | |
| idiotic(silly, foolish, fantastic, unwise, impractical) | |
| idyllic(adjective, happy, tender, perfect, fantastic) | |
| ill-conceived(silly, foolish, fantastic, unwise, impractical) | |
| illusory | |
| impenetrable(supernatural, spiritual, mystical) | |
| impossible(perfect, wild, silly, unreasonable, absurd) | |
| improbable(wild, silly, unreasonable, useless, absurd) | |
| imprudent(adjective, silly, foolish, fantastic, unwise) |
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| APA | Smart Define. (2016). quixotic thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/quixotic/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "quixotic thesaurus" https://smartdefine.org/quixotic/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, quixotic thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/quixotic/thesaurus/synonyms>. |
| MLA | Smart Define. "quixotic thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/quixotic/thesaurus/synonyms> |