Also, cloud up.
Become overcast with clouds, as in It's clouding over now, so it may rain soon, or It was too hot and sunny, but after a while the sky clouded up and we ventured outside. [Mid-1700s]
Become opaque, misty, or dim, as in I'm sweating so much that my eyeglasses are clouded over.
|1.||become covered with clouds; "The sky clouded over" [syn: overcloud]|
|2.||become overcast; "the sky clouded over"|