cloud (

     n 1: any collection of particles (e.g., smoke or dust) or gases
          that is visible
     2: a visible mass of water or ice particles suspended at a
        considerable altitude
     3: out of touch with reality; "his head was in the clouds"
     4: suspicion affecting your reputation; "after that mistake he
        was under a cloud"
     v 1: make overcast or cloudy; "Fall weather often overcasts our
          beaches." [syn: overcast] [ant: clear up]
     2: make less visible or unclear; "The stars are obscured by the
        clouds" [syn: obscure, befog, becloud, haze over,
        fog, mist]
     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
     5: place under suspicion or cast doubt upon; "sully someone's
        reputation" [syn: defile, sully, corrupt, taint]
     6: colour with streaks or blotches of different shades [syn: mottle,
     7: make milky or dull; "The chemical clouded the liquid to
        which it was added"