English · Idiom Candidate

on cloud nine

Proposed by a contributor, not yet supported by evidence.

Both English Tiếng Việt

Meaning · English

Very happy.

Nghĩa · Tiếng Việt

Rất hạnh phúc

Machine-translated — suggest a fix

Where it’s used: Used Widespread English

Examples

‘ One moment he's on cloud nine, and now when I tell him all that's gone on he'll feel as though he's been knocked over by a juggernaut.

They just want to stay on cloud nine.

British National Corpus sentence via the MAGPIE corpus (CC BY 4.0, retrieved 2026-07-30)

Sources & notes

Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Figurative class: Metaphor (PIE-English corpus, CC BY 4.0, retrieved 2026-07-31).

Topics: Wind & clouds

Common questions

What does “on cloud nine” mean?

Very happy.

Is “on cloud nine” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.

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