Adjectives

(a)cloudyfull of or covered with clouds“cloudy skies”
(s)cloudy, nebulose, nebulouslacking definite form or limits“gropes among cloudy issues toward a feeble conclusion” (H.T.Moore), “nebulous distinction between pride and conceit”
(s)cloudy, muddy, mirky, murky, turbid(of liquids) clouded as with sediment“a cloudy liquid”, “muddy coffee”, “murky waters”