- Definitions|0
- Thesaurus|58
- Abbreviations|0
| wish(noun, desire, concern, belief, confidence) | |
| Barmecidal(adjective, fanciful) | |
| blue sky(expression, adjective, fantastic, extravagant, absurd) | |
| encouragement(promise, rosiness) | |
| fairy-tale(adjective, fantastic, extravagant, absurd, romantic) | |
| fanciful(adjective, preferred, gossamery) | |
| floater(adjective, fanciful) | |
| gossamery | |
| illusory(adjective, fantastic, extravagant, absurd, romantic) | |
| pie in the sky(noun, expression, adjective, idiom, understanding) | |
| propitiousness(encouragement, promise, rosiness) | |
| semblant(adjective, fanciful) |
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| APA | Smart Define. (2011). castles in air thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/castles_in_air/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "castles in air thesaurus" https://smartdefine.org/castles_in_air/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2011, castles in air thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/castles_in_air/thesaurus/synonyms>. |
| MLA | Smart Define. "castles in air thesaurus" 23 May 2011. Web. 30 September 2026. <https://smartdefine.org/castles_in_air/thesaurus/synonyms> |