MUDDIEST
MUDDY
mucky, muddy
(adjective) dirty and messy; covered with mud or muck; “muddy boots”; “a mucky stable”
cloudy, muddy, mirky, murky, turbid
(adjective) (of liquids) clouded as with sediment; “a cloudy liquid”; “muddy coffee”; “murky waters”
dirty, dingy, muddied, muddy
(adjective) (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”
boggy, marshy, miry, mucky, muddy, quaggy, sloppy, sloughy, soggy, squashy, swampy, waterlogged
(adjective) (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”
Source: WordNet® 3.1
Adjective
muddiest
superlative form of muddy: most muddy
Source: Wiktionary
MUDDY
Mud"dy, a. [Compar. Muddier; superl. Muddiest.]
1. Abounding in mud; besmeared or dashed with mud; as, a muddy road
or path; muddy boots.
2. Turbid with mud; as, muddy water.
3. Consisting of mud or earth; gross; impure.
This muddy vesture of decay. Shak.
4. Confused, as if turbid with mud; cloudy in mind; dull; stupid;
also, immethodical; incoherent; vague.
Cold hearts and muddy understandings. Burke.
Dost think I am so muddy, so unsettled. Shak.
5. Not clear or bright. Swift.
Mud"dy, v. t. [imp. & p. p. Muddied; p. pr. & vb. n. Muddying.]
1. To soil with mud; to dirty; to render turbid.
2. Fig.: To cloud; to make dull or heavy. Grew.
Source: Webster’s Unabridged Dictionary 1913 Edition