1.Definition: (of liquids) clouded as with sediment

"A cloudy liquid"

Related Adjective(s):mirky, muddy, murky, turbid

2.Definition: full of or covered with clouds

"Cloudy skies"

3.Definition: lacking definite form or limits

"Gropes among cloudy issues toward a feeble conclusion"

Related Adjective(s):nebulose, nebulous