Muddy
WordNet
adjective
(1) Dirty and messy; covered with mud or muck
"Muddy boots"
"A mucky stable"
(2) (of especially liquids) clouded as with sediment
"A cloudy liquid"
"Muddy coffee"
"Murky waters"
(3) (of color) discolored by impurities; not bright and clear
"Dirty" is often used in combination
"A dirty (or dingy) white"
"The muddied grey of the sea"
"Muddy colors"
"Dirty-green walls"
"Dirty-blonde hair"
(4) (of soil) soft and watery
"The ground was boggy under foot"
"A marshy coastline"
"Miry roads"
"Wet mucky lowland"
"Muddy barnyard"
"Quaggy terrain"
"The sloughy edge of the pond"
"Swampy bayous"
verb
(5) Make turbid
"Muddy the water"
(6) Cause to become muddy
"These data would have muddied the prediction"
(7) Dirty with mud