cloud cloud /ˈklaʊd/

noun

1. () Any collection of particles (e.g., smoke or dust) or gases that is visible  ( cloud )
   any collection of particles (e.g., smoke or dust) or gases that is visible
     The dark cloud loomed over the horizon, threatening to unleash a torrential downpour.
   The dark cloud loomed over the horizon, threatening to unleash a torrential downpour.
   
2. () A visible mass of water or ice particles suspended at a considerable altitude  ( cloud )
   a visible mass of water or ice particles suspended at a considerable altitude
    The sky was filled with white fluffy clouds, making it a perfect day for a picnic
   The sky was filled with white fluffy clouds, making it a perfect day for a picnic
   
   
3. () Out of touch with reality  ( cloud )
   out of touch with reality
    His head was in the clouds
   his head was in the clouds
   
4. A group of many things in the air or on the ground  ( cloud , swarm )
   a group of many things in the air or on the ground
    A swarm of insects obscured the light
   a swarm of insects obscured the light
    Clouds of blossoms
   clouds of blossoms
    It discharged a cloud of spores
   it discharged a cloud of spores
   
5. Suspicion affecting your reputation  ( cloud )
   suspicion affecting your reputation
    After that mistake he was under a cloud
   after that mistake he was under a cloud
   
6. A cause of worry, gloom or trouble  ( cloud )
   a cause of worry, gloom or trouble
    The only cloud on the horizon was the possibility of dissent by the French
   the only cloud on the horizon was the possibility of dissent by the French
   

verb

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