noun
- A state of extreme happiness.
- synonyms: bliss, blissfulness, seventh heaven, walking on air
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). cloud nine. Retrieved September 21, 2026, from http://smartdefine.org/cloud_nine/definitions/1266130 |
| Chicago | WordNet. 2010. "cloud nine" http://smartdefine.org/cloud_nine/definitions/1266130 (accessed September 21, 2026). |
| Harvard | WordNet 2010, cloud nine, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/cloud_nine/definitions/1266130>. |
| MLA | WordNet. "cloud nine" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/cloud_nine/definitions/1266130> |