cloud

(n) any collection of particles (e.g., smoke or dust) or gases that is visible
(n) a visible mass of water or ice particles suspended at a considerable altitude
(n) out of touch with reality
- his head was in the clouds
(n) a cause of worry or gloom or trouble
- the only cloud on the horizon was the possibility of dissent by the French
(n) suspicion affecting your reputation
- after that mistake he was under a cloud
(n) 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
swarm,

(v) make overcast or cloudy
- Fall weather often overcasts our beaches
overcast,
(v) make less visible or unclear
- The stars are obscured by the clouds
- the big elm tree obscures our view of the valley
becloud, befog, fog, haze over, obnubilate, obscure, mist,
(v) billow up in the form of a cloud
- The smoke clouded above the houses
(v) make gloomy or depressed
- Their faces were clouded with sadness
(v) place under suspicion or cast doubt upon
- sully someone's reputation
defile, sully, taint, corrupt,
(v) make less clear
- the stroke clouded memories of her youth
(v) colour with streaks or blotches of different shades dapple, mottle,
(v) make milky or dull
- The chemical clouded the liquid to which it was added

overcast becloud befog fog haze over obnubilate obscure mist defile sully taint corrupt swarm dapple mottle

brighten clear light up clear up

clout

clod clog clon clop clot cloy

cloak clock clomp clone close cloth clout clove clown cloze

cloud bank cloudberry cloudburst cloud chamber cloud cover cloud-covered cloud-cuckoo-land clouded cloud grass cloudiness clouding clouding up cloudless cloudlessness cloudlike cloud nine cloud over cloud seeder cloud up cloudy