noun
- Absentminded dreaming while awake.
- synonyms: reverie, revery, daydream, daydreaming, oneirism, air castle, castle in Spain
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). castle in the air. Retrieved October 1, 2026, from http://smartdefine.org/castle_in_the_air/definitions/1263918 |
| Chicago | WordNet. 2010. "castle in the air" http://smartdefine.org/castle_in_the_air/definitions/1263918 (accessed October 1, 2026). |
| Harvard | WordNet 2010, castle in the air, Smart Define, viewed 1 October, 2026, <http://smartdefine.org/castle_in_the_air/definitions/1263918>. |
| MLA | WordNet. "castle in the air" 23 October 2010. Web. 1 October 2026. <http://smartdefine.org/castle_in_the_air/definitions/1263918> |