polluted[adjective]Synonyms: impure, common, defiled, desecrated, profaned, unclean, intoxicated, boozy, canned, disguised, drunk, inebriated, lushed, muddled, pixilated, plastered 
English Thesaurus: dirty, filthy, muddy, dusty, greasy, ... [TahlilGaran] English Synonym Dictionary ▲
 dirty not clean: 
 His clothes were untidy and he had dirty hands.filthy
 His clothes were untidy and he had dirty hands.filthy very dirty: 
 Each year filthy water causes millions of cases of illness.muddy
 Each year filthy water causes millions of cases of illness.muddy covered with mud: 
 It had been raining hard and the path was muddy.dusty
 It had been raining hard and the path was muddy.dusty covered with dust: 
 the dusty shelves in the atticgreasy
 the dusty shelves in the atticgreasy covered with oil or grease: 
 Greasy food is bad for your health.grubby
 Greasy food is bad for your health.grubby (
also mucky British English)
 informal fairly dirty and needing to be cleaned or washed: 
 He was wearing a grubby white T-shirt.
 He was wearing a grubby white T-shirt.  mucky fingersgrimy
 mucky fingersgrimy covered with thick dirt or dirt that has been there a long time: 
 I couldn’t see much out of the grimy windows of the train.dingy
 I couldn’t see much out of the grimy windows of the train.dingy /ˈdɪndʒi/ looking dark, dirty, and unpleasant. Used about rooms, houses, and buildings: 
 We worked in a dingy little office behind the station.polluted
 We worked in a dingy little office behind the station.polluted used about land, water, or air that has been made dirty: 
 85% of city dwellers breathe heavily polluted air.contaminated
 85% of city dwellers breathe heavily polluted air.contaminated made dirty by a dangerous substance or bacteria: 
 The virus is mainly spread through contaminated food.squalid
 The virus is mainly spread through contaminated food.squalid /ˈskwɒləd, ˈskwɒlɪd $ ˈskwɑː-/
 formal extremely dirty and unpleasant. Used about the place or conditions in which someone lives: 
 People are living in squalid conditions, with little water and no sanitation.unhygienic
 People are living in squalid conditions, with little water and no sanitation.unhygienic /ʌnhaɪˈdʒiːnɪk◂ $ -ˈdʒe-, -ˈdʒiː-/
 formal used about dirty conditions that are likely to cause disease, especially conditions in kitchens, restaurants, and hospitals: 
 The food was prepared under unhygienic conditions.unsanitary
 The food was prepared under unhygienic conditions.unsanitary (
also insanitary British English)
 formal used about dirty conditions that are likely to cause disease, especially because there is not a good system for getting rid of waste: 
 People’s health is being threatened by overcrowded and insanitary homes.
 People’s health is being threatened by overcrowded and insanitary homes.  They work for long hours in unsanitary conditions.soiled formal
 They work for long hours in unsanitary conditions.soiled formal made dirty, especially by waste from your body: 
 Soiled nappies should be changed as quickly as possible.
 Soiled nappies should be changed as quickly as possible. [TahlilGaran] English Thesaurus ▲