nine

Meaning of Idiom ‘On Cloud Nine’ To be on cloud nine means to be extremely happy and blissful; euphoric; serenely contented. 1Ammer, Christine. American Heritage Dictionary of Idioms. Boston: Houghton Mifflin Harcourt, 2013. ,2Spears, Richard A. McGraw-Hill’s American Idioms Dictionary. Boston: McGraw Hill, 2008. See also: In Seventh Heaven Want to see more videos from Idioms.Online? Subscribe … Read more