Cloud
 

cloud
noun1.any collection of particles (e.g., smoke or dust) or gases that is visible2.a visible mass of water or ice particles suspended at a considerable altitude3.out of touch with reality; "his head was in the clouds"4.a cause of worry or gloom or trouble; "the only cloud on the horizon was the possibility of dissent by the French"5.suspicion affecting your reputation; "after that mistake he was under a cloud"6.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]
verb1.make overcast or cloudy; "Fall weather often overcasts our beaches"[syn: overcast][ant: brighten]2.make less visible or unclear; "The stars are obscured by the clouds"; "the big elm tree obscures our view of the valley"[syn: obscure]3.billow up in the form of a cloud; "The smoke clouded above the houses"4.make gloomy or depressed; "Their faces were clouded with sadness"5.place under suspicion or cast doubt upon; "sully someone's reputation"[syn: defile]6.make less clear; "the stroke clouded memories of her youth"7.colour with streaks or blotches of different shades[syn: mottle]8.make milky or dull; "The chemical clouded the liquid to which it was added"