any collection of particles (e.g., smoke or dust) or gases that is visible

a visible mass of water or ice particles suspended at a considerable altitude

out of touch with reality; his head was in the clouds'

a cause of worry or gloom or trouble; the only cloud on the horizon was the possibility of dissent by the French'

suspicion affecting your reputation; after that mistake he was under a cloud'

a group of many things in the air or on the ground; a swarm of insects obscured the light; clouds of blossoms; it discharged a cloud of spores

[ Syn: swarm ]

make overcast or cloudy; Fall weather often overcasts our beaches

[ Syn: overcast ]

make less visible or unclear; The stars are obscured by the clouds; the big elm tree obscures our view of the valley

[ Syn: obscure , befog , becloud , obnubilate , haze over , fog , mist ]

billow up in the form of a cloud; The smoke clouded above the houses'

make gloomy or depressed; Their faces were clouded with sadness'

place under suspicion or cast doubt upon; sully someones reputation

[ Syn: defile , sully , corrupt , taint ]

make less clear; the stroke clouded memories of her youth'

colour with streaks or blotches of different shades

[ Syn: mottle , dapple ]

make milky or dull; The chemical clouded the liquid to which it was added'