cloud
A1Pronunciation
UK
- /klˈaʊd/
US
- /ˈklaʊd/
Description
- vapor in the sky
- online storage/services
- make unclear
We all know clouds as those fluffy (or stormy) shapes floating above us—visible masses of tiny water droplets or ice crystals suspended in the air. But "cloud" has taken on a new meaning in our digital age: it’s where your photos, documents, and apps can live on remote servers and be accessed over the internet. Just like real clouds can hide the sun, emotions or doubts can cloud your judgment and make things unclear.
Think about gazing up at a cloud-filled sky, then imagine opening files “in the cloud” on your phone. Both involve something you can’t quite hold in your hands. You might say, “A dark cloud of suspicion hung over the investigation,” or “I saved all my vacation photos to the cloud.”
The word "cloud" originally described a visible mass of tiny water droplets or ice crystals floating in the atmosphere. These formations come in many shapes and sizes—from wispy cirrus clouds high above, to dark, towering cumulonimbus clouds that bring thunderstorms. For centuries, people have observed clouds for weather prediction, artistic inspiration, and simply as a beautiful part of nature: “The sunset painted the clouds with fiery hues.”
However, in recent years, "cloud" has taken on a significant new meaning related to technology. “Cloud computing” refers to using remote servers over the internet to store data and run software, rather than relying only on your own device’s storage and processing. This lets you reach your information from any device with an internet connection—think Google Drive, Dropbox, or iCloud. It’s like having your stuff available from a shared, always-on space “in the cloud.”
Beyond these literal meanings, "cloud" can also be used figuratively. To cloud something means to make it unclear, obscure, or confused. For example: "His anger clouded his judgment," meaning he couldn't think clearly because of his emotions. A "cloud of uncertainty" suggests a lack of clarity about the future.
The word can also describe any dense, drifting mass of small things: a cloud of dust, smoke, insects, or perfume. And it can point to trouble or gloom—“a cloud on the horizon,” or being “under a cloud” (suspected of wrongdoing). Even objects can be clouded: a lens, a mirror, or a window can turn hazy.
So whether you’re looking up at the sky, relying on online services, or trying to see clearly through confusion, "cloud" suggests something spreading, shifting, and sometimes obscuring.
Examples
- 1
Weather
Dark clouds were gathering over the hills.
- 2
Cloud cover
For a moment, the mountain tops were hidden by cloud.
- 3
Airborne mass
A cloud of dust rose behind the truck.
Pattern
a cloud of dust/smoke
a thick mass moving in the air
- 4
Workplace mood
News of the layoffs cast a cloud over the whole office.
Phrase
cast a cloud over
make a situation feel worried or unhappy
- 5
Clear judgment
Don’t let one bad review cloud your judgment.
Phrase
cloud someone’s judgment
make someone think less clearly
- 6
Facial expression
Her face clouded when she heard his name.
Pattern
someone’s face clouds
suddenly looks sad, worried, or angry
- 7
Internet storage
We store all our photos in the cloud now.
Domain
in the cloud
on internet-based storage or services, not only on your own device
- 8
Suspicion
He left the company under a cloud.
Phrase
under a cloud
with suspicion or doubt around you
Forms and spellings
4 forms open this card.
Main spelling
- cloudnounverb
Forms
- cloudspluralnounverb
- cloudedpast tenseverbnoun
- clouding-ing formverbnoun