Cloud up Meaning in English
expression
Definition
To become cloudy, often referring to the sky when clouds start to appear and cover the sun. It can also be used metaphorically to talk about someone's emotions becoming troubled or sad.
Usage & Nuances
Common in weather reports and everyday speech. Literally about the sky, but sometimes used for facial expressions or moods: "His face clouded up". Not used for technical or scientific writing.
Example Sentences
The sky started to cloud up before the rain began.
basic
It will cloud up this afternoon, so bring an umbrella.
basic
When it clouds up, it often gets cooler outside.
basic
Her face really clouded up when she heard the bad news.
natural
Looks like it's going to cloud up soon—let's finish our walk.
natural
The lake looks beautiful until it clouds up in the evening.
natural