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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
Be on cloud nine
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "Be on cloud nine" is correct and usable in written English.
It is typically used to express a state of extreme happiness or bliss. Example: "After receiving the news of her promotion, she was on cloud nine for the rest of the day."
✓ Grammatically correct
News & Media
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
13 human-written examples
They practically guarantee you'll be on cloud nine".
News & Media
In another situation, I'd probably be on cloud nine.
News & Media
Cloud nine was the vast, towering cumulonimbus, so to be "on cloud nine" implied being on top of the world.
News & Media
If I qualify for the Olympics I will be on cloud nine all the way to the Games.
News & Media
"Everyone expected the guy to be on cloud nine because he was here, trying to show why he was a seven-time batting champion," pitcher Paul Abbott said.
News & Media
But while his teammates were giddy in talking about the milestone after the game — "He's got to be on cloud nine tonight," Swisher said — for now, Sabathia is keeping an even keel.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
46 human-written examples
He was on cloud nine and he wasn't the only one!
News & Media
Take a leap of faith into uncertainty with your style choices only if it's for one day by wearing an outfit that makes you feel like you are on cloud nine.
News & Media
Doc Bortolazzo was on cloud nine.
News & Media
"I was on cloud nine," she recalled.
News & Media
"She's on cloud nine," Jennifer Hudson said of Hope.
News & Media
Expert writing Tips
Best practice
Use "be on cloud nine" to vividly describe a state of extreme happiness or elation, making your writing more engaging and relatable. Consider the context to ensure the intensity of the phrase matches the situation.
Common error
Avoid using "be on cloud nine" too frequently in your writing. While it's a vivid expression, overuse can diminish its impact and make your writing sound repetitive. Vary your language to maintain reader engagement.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The idiom "be on cloud nine" functions as a predicative expression, describing a subject's state of extreme happiness or elation. As evidenced by Ludwig, this idiom paints a vivid picture of joy.
Frequent in
News & Media
75%
Huffington Post
15%
BBC
10%
Less common in
Science
0%
Formal & Business
0%
Wiki
0%
Ludwig's WRAP-UP
The idiom "be on cloud nine" effectively conveys a state of extreme happiness. As supported by Ludwig, it is considered grammatically correct and is frequently used in News & Media contexts. While versatile, it's best to avoid overuse and consider the register of your writing, opting for more formal alternatives in professional settings. Remember, variations like "in seventh heaven" can add richness to your expression.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
In seventh heaven
Emphasizes a state of perfect happiness, differing in its religious origin.
On top of the world
Focuses on a feeling of dominance and success, differing in its emphasis on achievement.
Over the moon
Uses a different celestial body to describe the feeling of great joy, differing in its metaphorical imagery.
Walking on air
Suggests a sense of lightness and euphoria, differing in its physical sensation metaphor.
In a state of bliss
Highlights a serene and perfect happiness, differing in its formal tone.
Absolutely delighted
Expresses a strong sense of pleasure and satisfaction, differing in its directness.
Thrilled to bits
Emphasizes excitement and pleasure in small portions, differing in its intensity.
Jumping for joy
Illustrates happiness through a physical action, differing in its dynamism.
Happy as a clam
Uses a simile to convey a feeling of contentment, differing in its folksy tone.
Grinning from ear to ear
Focuses on the physical expression of happiness, differing in its visual description.
FAQs
How can I use "Be on cloud nine" in a sentence?
You can use "Be on cloud nine" to describe a state of extreme happiness. For example: "After winning the competition, she "was on cloud nine" all week."
What can I say instead of "Be on cloud nine"?
You can use alternatives like "in seventh heaven", "on top of the world", or "over the moon" depending on the context.
Is it okay to use "Be on cloud nine" in formal writing?
While "Be on cloud nine" is widely understood, it's generally more appropriate for informal or neutral contexts. In formal writing, consider using more direct and professional alternatives like "absolutely delighted" or "in a state of bliss".
What is the origin of the idiom "Be on cloud nine"?
The phrase "Be on cloud nine" comes from a series of classifications of clouds that ranked cumulonimbus clouds, which are vast and towering, as 'cloud nine', implying being on top of the world.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested