Delivered to your inbox! Moving away from height metaphors, In British and Australian English, we can say (rather sweetly, I always think) that someone in a generally happy mood is full of the joys of spring. and strings puts this disc way up n. a state of extreme happiness. What are another words for Be on cloud nine belonging to phrase? In September, 1896, cumulonimbus, the greatest cloud in the world, was listed as Cloud 9 in a new cloud classification, and so to be on cloud nine became like floating on the tallest cloud on Earth . Synonyms / Similar Phrases: 1. adj. on billow nine In a accompaniment of extreme, beatific happiness. 'https:':'http:')+'//cse.google.com/cse.js?cx='+cx;var s=document.getElementsByTagName('script')[0];s.parentNode.insertBefore(gcse,s)}, ch_client="Thangavel1";ch_type="mpu";ch_width=550;ch_height=250;ch_color_bg="FFFFFF";ch_color_border="FFFFFF";ch_color_title="0D37FF";ch_color_site_link="0D37FF";ch_color_text="0D3700";ch_non_contextual=4;ch_vertical="premium";ch_sid="Chitika Premium";var ch_queries=new Array();var ch_selected=Math.floor((Math.random()*ch_queries.length));if(ch_selected