To make obscure.
To make less acute or perceptive.
To make gloomy or sullen.
To become marked, darkened or variegated in this way.
To become foggy or gloomy, or obscured from sight.
To overspread or hide with a cloud or clouds.
To mark with, or darken in, veins or sports; to variegate with colors.
To blacken; to sully; to stain; to tarnish (reputation or character).
Of the breath, to become cloud; to turn into mist.
Crystal methamphetamine.
A negative or foreboding aspect of something positive: see every cloud has a silver lining or every silver lining has a cloud.
The Internet, regarded as an abstract amorphous omnipresent space for processing and storage, the focus of cloud computing.
A large, loosely-knitted headscarf worn by women.
A telecom network (from their representation in engineering drawings)
Anything which makes things foggy or gloomy.
A visible mass of water droplets suspended in the air.
Anything unsubstantial.
A dark spot on a lighter material or background.
A group or swarm, especially suspended above the ground or flying.
Any mass of dust, steam or smoke resembling such a mass.
An elliptical shape or symbol whose outline is a series of semicircles, supposed to resemble a cloud.
To hide something from view or from public knowledge, to try to keep something secret.