1. The process whereby water particles become visible in the sky
   "The clouding of the sky signaled an approaching storm";
   - clouding up

1. Make cloudy
   "Fall weather often clouds our beaches";
   - overcast
    
2. Make less visible or unclear
   "The stars are obscured by the clouds";
   - obscure, befog, becloud, obnubilate, haze over, fog, mist
    
3. Billow up in the form of a cloud
   "The smoke clouded above the houses"
    
4. Make less clear
   "the stroke clouded memories of her youth"
    
5. Make milky or dull
   "The chemical clouded the liquid to which it was added"
    
6. Make gloomy or depressed
   "Their faces were clouded with sadness"
    
7. (of someone's image or good reputation) damage, place under suspicion or cast doubt upon
   "the scandal cloudd his good reputation";
   - defile, sully, taint, stain, tarnish, soil
    
8. Colour with streaks or blotches of different shades
   "The marble was clouded with veins of grey";
   - mottle, dapple

Derived forms: cloudings

Type of: affect, alter, billow, change, conceal, darken, deflower, dull, evaporation, hide, impair, impress, mar, modify, move, pollute, spoil, spot, strike, vapor [US], vaporisation [Brit], vaporization, vapour [Brit, Cdn], vitiate

Antonym: light up

Encyclopedia: Clouding