- cloudy, muddy, mirky, murky, turbid - (of especially liquids) clouded as with sediment; "a cloudy liquid"; "muddy coffee"; "murky waters"
Antonym: clear (indirect, via opaque)
- murky, mirky - so shaded as to be dark or gloomy; "a murky dungeon"; "murky rooms lit by smoke-blackened lamps"
Antonym: unshaded (indirect, via shaded)