WordWeb Online

1. (meteorology) full of or covered with clouds
   "cloudy skies"
    
2. Lacking definite form or limits
   "gropes among cloudy issues toward a feeble conclusion";
   - nebulose, nebulous
    
3. (of liquids) clouded as with sediment
   "a cloudy liquid";
   - muddy, mirky [archaic], murky, turbid

Derived forms: cloudiest, cloudier

See also: brumous, cloud-covered, clouded, cloudlike, dull, fogbound, foggy, hazy, heavy, indistinct, leaden, louring, loury, lowering[2], lowery, miasmal, miasmic, misty, nebular, opaque, overcast, smoggy, sullen, sunless, threatening, vaporous, vapory [US], vapourous [Brit, non-standard], vapoury [Brit, Cdn]

Antonym: clear

Encyclopedia: Cloudy, Partly Bony