Wiktionary
muckiest
a. (en-superlativemucky)
WordNet
mucky
adj. (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" [syn: boggy, marshy, miry, muddy, quaggy, sloughy, swampy]
dirty and messy; covered with mud or muck; "muddy boots"; "a mucky stable" [syn: muddy]
muckiest
See mucky