pollutedpol‧lut‧ed /pəˈluːtɪd/ adjective 
one of the most polluted areas in the worldpolluted air/water/rivers etc The project’s aim is to clean up polluted land.heavily/seriously/severely polluted The lake is seriously polluted.► see thesaurus at dirty
EXAMPLES FROM OTHER DICTIONARIES
- Central London is the most polluted spot in Britain.
- Large parts of the Mediterranean are still polluted with toxic waste.
- Sayers said that if he's elected his administration will make a priority of cleaning up the region's polluted rivers.
- The air was heavily polluted with exhaust fumes.
- DoE might be prepared to provide money for the initial cost of investigating polluted sites.
- Sometimes there were sandy heaths which looked like parts of Surrey and sometimes massive, sulphurous and heavily polluted industrial plants.
- The polluted landscape, and the heat in which it languishes, are important to the novel.
- The polluted streets are crowded by people with pasty faces, running noses, rheumy eyes and strange, jerking motions.
- The flame of Asuryan would not suffer his polluted body to pass through it.
- The fresh air made a welcome change from the polluted Victorian London atmosphere.
- The Humber estuary has been identified in several recent studies as one of the most polluted stretches of North Sea coast.
- This enables them to survive in very polluted waters with low levels of oxygen.
THESAURUS
not clean: · His clothes were untidy and he had dirty hands.
very dirty: · Each year filthy water causes millions of cases of illness.
covered with mud: · It had been raining hard and the path was muddy.
covered with dust: · the dusty shelves in the attic
covered with oil or grease: · Greasy food is bad for your health.
(also mucky British English) informal fairly dirty and needing to be cleaned or washed: · He was wearing a grubby white T-shirt.· mucky fingers
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.
looking dark, dirty, and unpleasant. Used about rooms, houses, and buildings: · We worked in a dingy little office behind the station.
used about land, water, or air that has been made dirty: · 85% of city dwellers breathe heavily polluted air.
made dirty by a dangerous substance or bacteria: · The virus is mainly spread through contaminated food.
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.
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.
(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.· They work for long hours in unsanitary conditions.
formal made dirty, especially by waste from your body: · Soiled nappies should be changed as quickly as possible.
Longman Language Activatordirty and bad for your health likely to cause disease - use this about dirty conditions in kitchens, restaurants, and hospitals: · It is unhygienic to store raw meat at that temperature.· Hospital cleaners were criticized for the unhygienic conditions of the central kitchens.
water or air that is polluted has a lot of harmful waste or poisonous chemicals in it: · Sayers said that if he's elected his administration will make a priority of cleaning up the region's polluted rivers.· Central London is the most polluted spot in Britain.polluted with/by: · Large parts of the Mediterranean are still polluted with toxic waste.heavily polluted (=very badly polluted): · The air was heavily polluted with exhaust fumes.
food, water, or land that is contaminated is not safe to use or be in because dangerous chemicals or bacteria have come into it: · contaminated drinking watercontaminated with/by: · Several people became ill after eating hamburger meat contaminated with the E.coli bacteria.heavily contaminated (=very badly contaminated): · The soil around the plant is heavily contaminated.
insanitary conditions are dirty and likely to cause disease, especially because there is no effective way of getting rid of waste: · Amnesty claims the prisoners are being kept in overcrowded and insanitary conditions.
COLLOCATIONS FROM THE ENTRY The project’s aim is to clean up polluted land. The lake is seriously polluted.COLLOCATIONS FROM OTHER ENTRIES
dangerously dirty and not suitable for people to use: The project’s aim is to clean up polluted land. The lake is seriously polluted.· The air in Mexico City is heavily polluted.
COLLOCATIONS FROM THE CORPUSADVERB· He had actually defended the town after another caller had described it as the most polluted place in the world.· The Humber estuary has been identified in several recent studies as one of the most polluted stretches of North Sea coast.· Greenpeace has described the Humber as the most polluted river in Britain and a substantial contributor to North Sea pollution.· It was also one of the most polluted, both because of insufficiently controlled industrial emissions and its high density of population.
NOUN· The pollution is worst during winter, when thermal inversions trap the warmer polluted air above the city.· Breathing: polluted air, poor posture, smoking. 3.· But if you think polluted air is affecting your health, consult your doctor first.
· Greenpeace has described the Humber as the most polluted river in Britain and a substantial contributor to North Sea pollution.· In general, in the authority's industrialized areas the emphasis in pollution control is on cleaning up heavily polluted rivers.· In the case of a polluted river, the remedy lies in the hands of a national government.
· Most non-fishkeepers add too much food to the pond resulting in polluted water and the loss of your fish.· The women return to their daily treks to distant rivers, springs or canals to collect polluted water.
one of the most polluted areas in the worldpolluted air/water/rivers etc The project’s aim is to clean up polluted land.heavily/seriously/severely polluted The lake is seriously polluted.► see thesaurus at dirty