cloud nine
Proposed by a contributor, not yet supported by evidence.
Meaning · English
a state of perfect happiness
Literally: a cloud that is ninth in a series of clouds
Where it’s used:
Used
Widespread English
Examples
The whole soccer team was on cloud nine after winning the championship.Cả đội bóng đang ở trên mây sau khi dành được danh hiệu vô địch.
Tatoeba sentence #54123 (CC BY 2.0 FR, tatoeba.org, retrieved 2026-07-31)
Sources & notes
Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-30; pending editor spot-check.
Common questions
What does “cloud nine” mean?
a state of perfect happiness Literally: a cloud that is ninth in a series of clouds
Is “cloud nine” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.