"murky" in the adjective sense
1. cloudy, muddy, mirky, murky, turbid
of liquids) clouded as with sediment
"a cloudy liquid"
"muddy coffee"
"murky waters"
2. murky, mirky
dark or gloomy
"a murky dungeon"
"murky rooms lit by smoke-blackened lamps"
Source: WordNet® (An amazing lexical database of English)
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