Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “be on cloud nine”

See all translations

be on cloud nine

informal
C2 to be extremely happy and excited: "Was Helen pleased about getting that job?" "Pleased? She was on cloud nine!"
Translations of “be on cloud nine”
in Chinese (Traditional) 高興極了, 異常興奮, 樂不可支…
in Chinese (Simplified) 高兴极了, 异常兴奋, 乐不可支…
(Definition of be on cloud nine from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Word of the Day

escapism

a way of avoiding an unpleasant or boring life, especially by thinking, reading, etc. about more exciting but impossible activities

Word of the Day

Lies, lies, lies!

by Kate Woodford,
February 25, 2015
​​​ According to sociologists (=people who study the relationships between people living in groups), we are good at lying. As a species, we have developed a remarkable ability to deceive each other (= persuade each other that something false is true). Being able to say things that are not true can help with

Read More 

showrooming noun

February 23, 2015
the activity of examining a product in a physical store and then making the purchase with an online retailer Amazon’s new smartphone is specifically designed to make showrooming fast and easy.

Read More