1. (adj)boggy, marshy, miry, mucky, muddy, quaggy, sloppy, sloughy, soggy, squashy, swampy, waterlogged (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"
2. (adj)mucky, muddy dirty and messy; covered with mud or muck "muddy boots"; "a mucky stable"
3. (adj)dirty, dingy, muddied, muddy (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. (verb)cloudy, muddy, mirky, murky, turbid (of liquids) clouded as with sediment "a cloudy liquid"; "muddy coffee"; "murky waters"
5. (verb)muddy, muddy up dirty with mud
6. (verb)muddy cause to become muddy "These data would have muddied the prediction"
Definitions of muddy 
Afrikaans: modderig
Arabic: موحِل
Bulgarian: кален
Brazilian: enlameado
Czech: zablácený, blátivý, bahni
German: schlammig
Danish: mudret
Greek: λάσπη
Spanish: fangoso, lleno de barro
Estonian: porine
Farsi: گل الود
Finnish: mutainen
French: boueux
Hebrew: בּוצִי
Hindi: कीचड़ भरा, कीचड़दार
Croatian: blatan
Hungarian: sáros
Indonesian: berlumpur
Icelandic: óhreinn, skítugur, forugu
Italian: fangoso, infangato; torbi
Japanese: 泥だらけの
Korean: 진흙투성이의
Lithuanian: purvinas, drumzlinas
Latvian: dubļains
Malay: berlumpur
Dutch: modderig
Norwegian: gjørmet, skitten, (til)sø
Polish: zabłocony
Persian: گل الود
Pashto: په خټه ککړ
Portuguese: enlameado
Romanian: noroios; plin de noroi
Russian: запачканный;грязный
Slovak: zablatený; bahnitý
Slovenian: blaten
Serbian: blatnjav
Swedish: gyttjig, dyig, lerig
Thai: เลอะโคลน
Turkish: çamurlu
Taiwanese: 泥濘的
Ukrainian: брудний; каламутний
Urdu: مٹیالا
Vietnamese: có bùn
Chinese: 泥泞的
