Cloud nine
Cloud nine noun - A state of overwhelming usually pleasurable emotion.
Up and cloud nine are semantically related. In some cases you can use "Up" instead a noun phrase "Cloud nine".
Up
Up adjective - Being at a higher level than average.
Mutual synonyms
Cite this Source
Up and Cloud nine. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/cloud_nine/up
Cloud nine & Up. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/cloud_nine/up>.
Up or Cloud nine. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/cloud_nine/up.
Google Ngram Viewer shows how "cloud nine" and "up" have occurred on timeline