Meaning & use
cloud nine
A state of extreme happiness, delight, or elation, often after good news or success.
See it in a sentence
After hearing the good news, she was on cloud nine for the rest of the day.
Winning the championship put the whole team on cloud nine.
A note on using this word
This idiom is always used with the preposition 'on', as in 'on cloud nine', never 'in cloud nine'.
Words with a similar meaning
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
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