· lacking definite form or limits; "gropes among cloudy issues toward a feeble conclusion"- H.T.Moore; "nebulous distinction between pride and conceit"
Synonym(s): nebulose, nebulous
· full of or covered with clouds; "cloudy skies"
Antonym(s): clear
· (of liquids) clouded as with sediment; "a cloudy liquid"; "muddy coffee"; "murky waters"
Synonym(s): muddy, mirky, murky, turbid