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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
cloud up
Grammar usage guide and real-world examplesUSAGE SUMMARY
"cloud up" is a correct and usable phrase in written English.
It is a phrasal verb meaning to become cloudy. For example, "The sky clouded up just before the thunderstorm arrived."
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(3)
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
32 human-written examples
Geoengineers would need to leave the cloud up for a long time, which could get tricky.
News & Media
"The visibility, from one moment to the next, can cloud up," General Carreno said.
News & Media
I drove onto the Utah National Guard's Camp Williams base to see the concrete data cloud up close.
News & Media
But last spring, as the real estate picture began to cloud up, the company issued a daunting statement to homeowners.
News & Media
Even after the dredging has waned, the artificial islands — sand piles, really — will continue to shed detritus into the adjacent waters, causing them to cloud up and making life harder for photosynthesizers.
News & Media
Even after the dredging has waned, the artificial islands—sand piles, really will continue to shed detritus into the adjacent waters, causing them to cloud up and making life harder for photosynthesizers.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
28 human-written examples
"It's clouding up," he says.
News & Media
Often there are too many signs, or a bright omen clouds up too fast.
News & Media
"As hard as we try to bring clarity," Mr. Clinton said, "they're really good at clouding up".
News & Media
I'm taking a few days out and off the internet because it's clouding up my brain.
News & Media
Then we record bacterial growth in all the samples (e.g., by measuring the increase in optical density as the culture medium clouds up due to the bacteria).
Science
Expert writing Tips
Best practice
Use "cloud up" to describe a visible change in the sky or water, indicating a darkening or obscuring effect. For example, "The sky began to cloud up as the storm approached."
Common error
Avoid using "cloud up" too abstractly. While it can be used metaphorically to describe situations becoming unclear, ensure it aligns with the primary meaning of a darkening or obscuring visual effect. Using phrases like "become complicated" or "get confused" can be more appropriate in certain non-visual contexts.
Source & Trust
81%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "cloud up" is as an intransitive phrasal verb, indicating a change in state. Ludwig provides examples illustrating its use in describing atmospheric conditions or the clarity of a liquid.
Frequent in
News & Media
45%
Wiki
25%
Science
15%
Less common in
Formal & Business
5%
Encyclopedias
0%
Academic
0%
Ludwig's WRAP-UP
In summary, "cloud up" is a commonly used phrasal verb that means to become cloudy. As Ludwig AI confirms, it is grammatically correct and suitable for describing changes in weather or the clarity of liquids. It appears most frequently in news and media contexts, but it is versatile enough for general usage. Be mindful of overuse in metaphorical contexts to maintain clarity in your writing. Consider alternatives like "become overcast" or "grow cloudy" for nuanced expressions.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
become overcast
Focuses specifically on the sky condition turning dark with clouds.
grow cloudy
Emphasizes the process of becoming filled with clouds.
darken with clouds
Highlights the visual effect of increasing cloud cover.
fill with clouds
Describes the action of clouds accumulating.
become dim
Indicates a reduction in light due to cloud cover.
grow murky
Suggests a loss of clarity, similar to clouding.
turn gray
Focuses on the change in color associated with increasing cloud cover.
shadow over
Emphasizes the obscuring effect of clouds.
become obscure
Suggests that clouds are hiding something from view.
gather clouds
Describes the action of clouds accumulating.
FAQs
What does "cloud up" mean?
The phrasal verb "cloud up" means to become cloudy, often referring to the sky or water. It suggests a darkening or obscuring effect due to the formation or accumulation of clouds.
How can I use "cloud up" in a sentence?
You can use "cloud up" to describe the weather, for example: "The sky began to cloud up before the rain started." Or you can describe water becoming murky: "The baby oil will cloud up the water in a short amount of time."
What are some synonyms for "cloud up"?
Some synonyms for "cloud up" include "become overcast", "grow cloudy", or "darken with clouds". The best choice depends on the specific nuance you want to convey.
Is it correct to say "clouding up"?
Yes, "clouding up" is the present participle form of the verb "cloud up" and is perfectly correct. You might say, "It's clouding up," to indicate that the sky is currently becoming cloudy.
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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
81%
Authority and reliability
4.3/5
Expert rating
Real-world application tested