noun
plural clouds
[count] a white or gray mass in the sky that is made of many very small drops of water
a large amount of smoke, dust, etc., that hangs in the air
a large number of things (such as insects) that move together through the air in a group
a feeling or belief that a person or organization has done something wrong
cast a (dark) cloud
to cause people to stop trusting something
cloud on the horizon
a problem that could appear in the future
every cloud has a silver lining
see silver lining
in the clouds
If you are in the clouds or you have your head in the clouds, you spend too much time thinking about love or about ideas that are not practical.
on cloud nine
informal :very happy
verb
clouds; clouded; clouding
[+ obj] :to confuse (a person's mind or judgment)
[+ obj] :to make (something, such as an issue or situation) difficult to understand
[+ obj] :to affect (something) in a bad way
[no obj] of the sky :to become covered with clouds - usually + over
[+ obj] :to cover or fill (a room, the sky, etc.) with large amounts of smoke, dust, etc.
[+ obj] :to cover (glass, a window, etc.) with many very small drops of water
[no obj] of a person's face or eyes :to show that someone is worried or unhappy