cloud number nine

noun

"cloud-number-nine" is a 15-letter English headword indexed on PlainSpell.

The verdict

“cloud number nine” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
17
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Synonym of cloud nine.

Corpus desk

Index EN-cloud-number-nine · cloud number nine · English

cloud number nine · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 17 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "C" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for cloud number nine
PropertyValue
Headwordcloud number nine
LanguageEnglish
Part of speechNoun
Letters17
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “cloud number nine” in English

cloud number nineranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

cloud number nine is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Synonym of cloud nine.".

No generated misspelling entries exist for cloud number nine in our index, a sign its spelling follows regular English conventions. It is not paired with a close-neighbour confusable in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

This headword's origin isn't recorded in our source data, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is cloud number nine, spelled C-L-O-U-D- -N-U-M-B-E-R- -N-I-N-E.

Definition

  1. 1
    Synonym of cloud nine.

Recorded use

Wiktionary examples

These source excerpts show how cloud number nine appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. From that cloud number nine / Danger starts the sharp incline
  2. Most of us do not think of excitement as a problem. After all, doesn't everybody like to be on cloud number nine? I agree: if we could stay on cloud number nine, life might be very pleasant. But, as all of us know, the cloud eventually evaporates. Then we not only come abruptly back to earth; we usually burrow right into its depths and hide – that is, we…

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "cloud number nine"?
"cloud number nine" is spelled C-L-O-U-D- -N-U-M-B-E-R- -N-I-N-E.
What does "cloud number nine" mean?
As a noun, "cloud number nine" means: Synonym of cloud nine.
What language does "cloud number nine" come from?
"cloud number nine" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list